{"title":"HC-12 433 MHz UART Radio Modules and Wireless Accessories","description":"\u003ch2\u003eHC-12 serial-radio modules: read the selected variant first\u003c\/h2\u003e\u003cp\u003eFind HC-12-style sub-GHz UART wireless modules, SI4438\/SI4463-marked revisions and HC-12-USB computer terminal boards. This assortment also contains shared product pages with \u003cstrong\u003eHC-05\/HC-06 Bluetooth alternatives\u003c\/strong\u003e, a connector cable and unrelated components with similar “HC” prefixes. A collection name is not a packing list: verify the selected variant before assuming it is a populated HC-12 radio. Its RF protocol is not Bluetooth, Wi-Fi or a generic 433 MHz remote-control protocol merely because a supplier listing uses those words.\u003c\/p\u003e\u003ch3\u003eWhat a genuine HC-12-style link provides\u003c\/h3\u003e\u003cp\u003eA selected HC-12 wireless serial board is an embedded endpoint: a host microcontroller exchanges bytes with its UART interface while the board's MCU and RF section implement a configured radio link. Two compatible endpoints require matching channels, air-mode and serial configuration. Transparent UART transfer simplifies an application design but does not imply universal interoperability with other 433 MHz devices. Several source descriptions explicitly note that HC-11 and HC-12 are not matched communications partners. Check the radio silicon, firmware and revision of both endpoints when adding to an existing installation. A single-module variant normally supplies only one end of the link.\u003c\/p\u003e\u003cp\u003eMultiple HC-12 descriptions identify board supply around 3.2–5.5 V and an operating-band configuration in the vicinity of 433.4–473 MHz; newer V4.0 SI4438 listings mention a wider upper limit around 483.8 MHz. These are statements for particular products\/revisions, not an electrical or legal specification for everything in this collection. A bare RF chip's pins, a USB terminal's input and an assembled module's UART I\/O have different limits. Check actual product documentation and permitted frequencies\/transmit power for your jurisdiction before integrating a transmitter.\u003c\/p\u003e\u003ch3\u003eRadio, USB terminal, Bluetooth option or something else?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard HC-12 boards:\u003c\/strong\u003e listings include SI4438\/SI4463-named UART modules, V4.0 boards, QFN and SOP\/TSSOP choices, STM8S003F3P6\/F3U6-labelled variants, old\/new versions, antenna-equipped modules and packs from one to 20. A variant that reads “SI4438” is not automatically SI4463; “STM8S003F3U6” identifies an MCU\/board selection rather than proving radio-silicon equivalence. Match the selected board pinout and firmware before substituting it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV4.0 SI4438 choices:\u003c\/strong\u003e listings specifically name HC-12 V4.0 SI4438 and describe multi-channel UART, half-duplex RF and FU mode settings. Their 1 km or throughput headlines are seller scenarios tied to specified modes, not universal performance guarantees. V4.0 should not be presumed identical to an earlier QFN\/SOP or SI4463 module just because it uses the HC-12 name.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHC-12-USB computer-side boards:\u003c\/strong\u003e USB 2.0 terminal versions, including one described with a CP2104 serial bridge, are assembled USB-to-radio interfaces. Their listing quotes 4.5–5.5 V input, which is not the supply rating of a loose HC-12 radio or SI4438 chip. Check the computer driver, USB connector and paired radio revision. A USB board does not automatically include a second endpoint, and a PC terminal is not a Bluetooth dongle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHC-05\/HC-06 and other Bluetooth-labelled variants:\u003c\/strong\u003e a shared listing offers individually selected HC-05\/HC-06\/HC-02\/HC-04\/HC-08\/HC-09\/HC-25\/HC-42 boards, SMD-only alternatives, with-baseboard options, HC-USB-T, HC-12 and an “HC Pin Port Cable.” Only its “HC-12” selection identifies the HC-12 family; cable-only, HC-05 and HC-06 selections are different deliveries. Another page sells HC-05(6PIN) versus HC-06(4PIN) in 1\/5\/10-piece packs; those Bluetooth serial modules have their own pairing, role and firmware behavior. Do not present an HC-06 as an HC-12 or promise every “HC-” radio is BLE.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJDY-31 serial Bluetooth choices:\u003c\/strong\u003e a separate page offers a “Chip” bare SMD module versus “4P” and “6P” baseboard\/interface formats. It is not an HC-12 sub-GHz UART radio even when marketed as an HC-05 alternative. Bare SMD and carrier boards differ in assembly and pin access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther similarly named goods:\u003c\/strong\u003e HC-49S through-hole quartz crystal resonators, HC-SR501\/SR505\/SR602 PIR motion-sensor variants, HF46F 5\/12\/24 V relays and a TPA3110D2 stereo amplifier board also appear here. Their selected variants are crystals, sensors, relays or an audio amplifier, not 433 MHz transceivers. Their voltage, load, accuracy or quantity details apply solely to their actual products.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVariants that materially change what arrives\u003c\/h3\u003e\u003cp\u003eOn the SI4438-versus-SI4463 page, choices explicitly read “SI4438,” “SI4463,” “2pcs SI4438,” “2pcs SI4463,” “10pcs SI4438” and “10pcs SI4463.” The headline's first chip name cannot override that selection. Other pages offer “HC-12 F3U6” versus “HC-12 F3P6” or “STM8S003F3U6” versus “STM8S003F3P6”; follow the exact controller\/board revision and pack count. “HC-12 TSSOP Module,” “HC-12 QFN Module,” “HC-12 TSSOP Red Modu” and “HC-12 Pinhead” are separate options. A header-only\/pinhead selection does not establish that a populated transceiver is supplied. Review images and part descriptions for that exact option.\u003c\/p\u003e\u003cp\u003eOld\/new version variants and HC-12 V4.0 variants can differ in PCB layout, RF chip, antenna fitting, pin labelling or programmed behavior. Similar silkscreen or a vendor's generic “replace Bluetooth” label is insufficient to establish drop-in compatibility. If you need a paired set, select the right module count and validate both units together, especially when sourcing from different listings. If the shared product page includes several wireless families, confirm whether your chosen variant says HC-12 rather than HC-05, HC-06, JDY-31 or cable.\u003c\/p\u003e\u003ch3\u003eProtocol boundaries worth checking before purchase\u003c\/h3\u003e\u003cp\u003eThe HC-12 is typically used as a sub-GHz serial bridge. Bluetooth HC-05\/HC-06 and JDY-31 variants use a different radio and pairing mechanism; selecting them will not create an HC-12 link. “Bluetooth replacement” describes an application alternative, not Bluetooth radio compliance or phone pairing. HC-12 is also not a Wi-Fi client and cannot connect to an access point. HC-49S crystal frequency choices such as 4 MHz, 16 MHz or 32.768 MHz are oscillator components, not the module's RF channel. An HC-SR501 PIR sensor detects motion and needs an appropriate host\/interface to transmit data; its presence in this collection does not turn it into a radio.\u003c\/p\u003e\u003cp\u003eSome HC-12 supplier listings claim half-duplex over the air while others refer to full-duplex serial processing. Treat UART buffering and the RF link as different layers; verify behavior under simultaneous transmissions for your particular firmware and settings. Selecting a serial port rate is not the same as selecting an RF air rate. On an embedded design, host pins, supply domain, logic thresholds and antenna placement need to match the actual board. Design for transmit-current peaks, not only the 16 mA nominal idle figure quoted on some listings; a USB terminal, SI4438 board and a different V4.0 PCB can have different power and interface requirements.\u003c\/p\u003e\u003ch3\u003eRange, antenna and safe system design\u003c\/h3\u003e\u003cp\u003e“1000M,” “1KM” and similar headings are not a guaranteed installation range. Supplier text also describes roughly 500–600 m at some default\/open-field settings and a longer result with changed air-rate\/mode. The usable link depends on antenna tuning and placement, obstacles, mounting height, receiver sensitivity, RF noise, cable loss, firmware parameters and local transmit-power limits. Choose the matching antenna arrangement, then measure packet success, latency and recovery at the intended installation rather than basing a safety-critical system on a headline range figure. Do not infer certification for a selected variant from another vendor's claimed approval on a similarly named listing.\u003c\/p\u003e\u003cp\u003eFor electrical integration, distinguish \u003cem\u003emodule supply\u003c\/em\u003e, \u003cem\u003eUSB input\u003c\/em\u003e, \u003cem\u003eUART digital level\u003c\/em\u003e, \u003cem\u003erelay coil voltage\u003c\/em\u003e and \u003cem\u003ecrystal load capacitance\u003c\/em\u003e; each belongs to a different item or node. Some supplier descriptions discuss a diode in a particular long-transmit supply scenario, but that is not a universal wiring method and should not be copied blindly. Use the selected board's verified electrical specification and a reviewed regulator\/level-interface design.\u003c\/p\u003e\u003ch3\u003eEngineer's purchasing checklist\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentify the deliverable:\u003c\/strong\u003e HC-12 UART board, HC-12-USB terminal, Bluetooth module, cable, crystal, PIR sensor, relay or amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify selected model:\u003c\/strong\u003e SI4438\/SI4463, V4.0\/old\/new, QFN\/SOP\/TSSOP, STM8S003F3P6\/F3U6 board and exact quantity. A combined headline is not a combined kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan both endpoints:\u003c\/strong\u003e matching firmware, UART settings, radio channel, air mode and antenna. Check whether one or two boards are actually ordered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm electrical interface:\u003c\/strong\u003e correct whole-board input, UART levels, RF transmit current, pinout, USB bridge and host driver where appropriate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValidate deployment:\u003c\/strong\u003e regional RF rules, real environment range, link failure behavior and host software before production use.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan an HC-12 talk to an HC-05 or HC-06?\u003c\/strong\u003e No direct compatibility is established. Those are Bluetooth-family selections, whereas HC-12 uses a distinct sub-GHz radio link.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the HC-12-USB listing include an embedded HC-12 partner?\u003c\/strong\u003e Not by its title alone. Check the selected package contents and obtain a compatible second endpoint if needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo “SI4438” and “SI4463” mean the same radio?\u003c\/strong\u003e No. They are distinct listed choices and their hardware\/firmware matching must be verified.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the HC-49S crystals or HC-SR501 sensors radio options?\u003c\/strong\u003e No. They are separately listed components with different functions; they remain in this collection but should be evaluated on their own specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill all HC-12 variants work at 1 km?\u003c\/strong\u003e No. A distance claim on a vendor page is not a universal guarantee; test your selected paired boards under legal settings in the intended environment.\u003c\/p\u003e","products":[{"product_id":"10pcs-dc12v-tpa3110-tpa3110d2-digital-power-amplifier-module-2x15w-dual-channel-stereo-diy-speaker-amplifier-electronics-design","title":"10pcs DC12V TPA3110 TPA3110D2 Digital Power Amplifier Module 2x15W Dual Channel Stereo DIY Speaker Amplifier Electronics Design","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectric Toy\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px\"\u003eProduct introduction:\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"font-size:20px\"\u003ePower amplifier chip: TPA3110D2\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"font-size:20px\"\u003eWorking voltage: 8～26V DC (power input with polarity protection)\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"font-size:20px\"\u003eRecommended power supply: 12V DC current 2A\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"font-size:20px\"\u003eOutput power: 2*15W\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"font-size:20px\"\u003eRecommended speaker impedance: 4 to 10 ohms\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"font-size:20px\"\u003eWith mute interface: MUTE (generally suspended without use)\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"font-size:20px\"\u003eSpecifications: 30mm*39mm, the size of the installation hole is about 3mm, if there is any error in manual measurement, please forgive me\u003c\/span\u003e\u003c\/p\u003e \n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd92da0be4439473c9c3f38e686180d475.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf42f7ca00c07422c95de4ccca6bf9a0bh.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sab4fb8c7274340c0bc12721813caa65fU.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"China Mainland","offer_id":55377108074795,"sku":"200007763:201336100","price":107.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S170ffefdb787477eb0df3840ff8a6320c.webp?v=1788332809"},{"product_id":"hc-12-433mhz-si4438-wireless-serial-port-module-1000m-with-antenna-replace-bluetooth","title":"HC-12 433Mhz SI4438 Wireless Serial Port Module 1000m With Antenna Replace Bluetooth","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ehc12 module antenne\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.2~5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_text\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_text\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_text\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_text\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_text\"\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--DlnAngg\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--nxRv0lW\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--SsZJoGC\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_text\"\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:24px\"\u003e1: The supply voltage is 3.2V~5.5V.(If the module needs to work in the transmit state for a long time, it is recommended to connect a 1N4007 diode in series when the power supply voltage exceeds 4.5V to avoid heat generation from the module's built-in LDO)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:24px\"\u003e2: The default communication distance (open field test): about 600m (the maximum communication distance can be adjusted to 1000m, and the air baud rate is 5000bps).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:24px\"\u003e3: Default idle current: 16MA (the operating current of the module is different in different operating modes).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:24px\"\u003e4: Module size: 27.8mm×14.4mm×4mm.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:24px\"\u003e5: Operating frequency range (433.4—473.0MHz, up to 100 communication channels), maximum 100mW transmission power (can be set)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:24px\"\u003e6: The module supports software upgrade.(We provide customers with upgraded software)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:24px\"\u003e7: Default factory settings: working mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\n\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sdb5289086c4e463a8915e2320320860cw.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sbe2a0add494546ee917e1b80e0cf76c6O.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7d83dd875a434057ba8aa5f4f9b7c8a1J.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S222f9696243347659f0e29d73dbbd0fe4.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb6c5e83ec2a04f37a39ab57ec4a4cb5dd.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S98fbc6d257ae43d18c4ab78b041f32a13.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:56px;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex;height:56px;box-sizing:border-box' class=\"title--wrap--wDzGayX description--title--ZsqjrTd\" align=\"start\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:inline-block;height:56px;box-sizing:border-box\" class=\"title--text--Lx66GPw\"\u003e\u003ch1 style=\"font-size:var(--font-size-4);font-weight:var(--font-weight-bold);color:var(--color-grey-10);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;display:inline-block;box-sizing:border-box\" class=\"title--title--RN9Pt03\"\u003eDescription\u003c\/h1\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ca style=\"font-size:var(--font-size-2);font-weight:var(--font-weight-bold);color:var(--color-grey-10);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--report--yOtUhBm\" href=\"https:\/\/report.aliexpress.com\/health\/reportIndex.htm?product_id=3256805922235488\u0026amp;b_login_id=cn1078657237tlcae\" target=\"_blank\"\u003eReport Item \/ Suspicious Activity\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Yoeruyo","offers":[{"title":"China Mainland","offer_id":55377108664619,"sku":"200007763:201336100","price":12.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sf9e652704341499c96437099421ad1abB.webp?v=1788332809"},{"product_id":"5pcs-1pc-hc-12-si4463-433mhz-wifi-wireless-serial-port-module-hc12-1km-1000m-433mhz-receiving-transmitting-board-tssop-qfn","title":"5pcs\/1pc HC-12 SI4463 433Mhz Wifi Wireless Serial Port Module HC12 1KM 1000m 433MHz Receiving Transmitting Board TSSOP\/QFN","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEC Buying\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003elow\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enormal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003emodule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:56px;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex;height:56px;box-sizing:border-box' class=\"title--wrap--NWOaiSp description--title--NMh4UiD\" align=\"start\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:inline-block;height:56px;box-sizing:border-box\" class=\"title--text--Otu0bLr\"\u003e\u003ch2 style=\"font-size:24px;font-weight:700;color:rgb(25, 25, 25);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;display:inline-block;box-sizing:border-box\" class=\"title--title--O6xcB1q\"\u003eDescription\u003c\/h2\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;position:relative;box-sizing:border-box' class=\"extend--wrap--yXwoDbO\" align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--VuIQZia\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--Mjtql28\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"description--origin-part--rWy05pE\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_html\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cp style=\"line-height:inherit;text-align:center;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S564b90b1f8f64b08b55e9ddca0866f31y.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eSupply voltage 3.2V ~ 5.5V. (If you want to work in the module exceeds launch state for a long time, it is recommended when the supply voltage 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eDefault communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eThe default idle current: 16MA (modules in different operating current of the different operating modes).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eModule Size: 27mm × 13mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eOperating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eThe module supports software upgrades. (We provide customers with software upgrades)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eThe default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" align=\"center\"\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/H65e20749111045de853a03dc618adf10p.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd5e42cacc89c469c820420d4f8f58f3f8.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb97617456fea49f2bab27bedc3b844b9D.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5cbaa22de5d6403f9060deb815954532w.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa528d0e33b954618aacbc82ed4ee8167f.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sae24d19e9927470b8ba15f6a5a8cc047a.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S24f7e39a2578484fa2bbc265f79493cd2.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S47488cf573c84f40914fc0627331dbb1F.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf4cf031ef1b2456298dff2cc7788d050x.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HC-12 TSSOP Module \/ 5pcs","offer_id":55377109352747,"sku":"14:173#HC-12 TSSOP Module;3:18247432443#5pcs","price":82.98,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN Module \/ 1pcs","offer_id":55377109385515,"sku":"14:175#HC-12 QFN Module;3:201010228#1pcs","price":15.66,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Module \/ 1pcs","offer_id":55377109418283,"sku":"14:173#HC-12 TSSOP Module;3:201010228#1pcs","price":15.66,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Module \/ 2pcs","offer_id":55377109451051,"sku":"14:173#HC-12 TSSOP Module;3:1981284404#2pcs","price":29.48,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN Module \/ 2pcs","offer_id":55377109483819,"sku":"14:175#HC-12 QFN Module;3:1981284404#2pcs","price":29.3,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN Module \/ 5pcs","offer_id":55377109516587,"sku":"14:175#HC-12 QFN Module;3:18247432443#5pcs","price":83.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Saeafbc01503246f3aaa654232dad04ab3.webp?v=1788332810"},{"product_id":"hc-12-433mhz-si4438-wireless-serial-port-module-1000m-with-antenna-replace-bluetooth-1","title":"HC-12 433Mhz SI4438 Wireless Serial Port Module 1000m With Antenna Replace Bluetooth","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAITEXM ROBOT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003ch3 style=\"box-sizing:border-box;font-size:16px;word-spacing:0px;text-transform:none;font-weight:400;color:#222222;outline-width:0px;font-style:normal;outline-style:none;orphans:2;widows:2;letter-spacing:normal;outline-color:invert;line-height:24px;background-color:#FFFFFF;text-indent:0px;font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;-webkit-tap-highlight-color:transparent;margin-top:0px;margin-bottom:8px;\" data-spm-anchor-id=\"a2g0o.detail.1000023.i1.71b24e679VA2O9\"\u003e\u003cstrong style=\"box-sizing:border-box;font-weight:700 !important;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\" data-spm-anchor-id=\"a2g0o.detail.1000023.i0.71b24e679VA2O9\"\u003eSI4438 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e\u003cbr style=\"box-sizing:border-box;outline-width:0px;outline-style:none;outline-color:invert;-webkit-tap-highlight-color:transparent;\"\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/strong\u003e\u003c\/h3\u003e\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"HC-12 SI4438","offer_id":55377109647659,"sku":"14:193#HC-12 SI4438","price":11.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S3362295371904660b1a5264aab01daaeq.webp?v=1788332811"},{"product_id":"1-5pcs-lot-100-new-hc-12-si4463-433mhz-wifi-wireless-serial-port-module-hc12-1km-1000m-433mhz-receiving-and-transmitting-board","title":"1-5Pcs\/lot 100% New HC-12 SI4463 433Mhz Wifi Wireless Serial Port Module HC12 1KM 1000m 433MHz Receiving and Transmitting Board","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb2696c1e09e04358bfebc8968ca15511B.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S61b44f0850e34a30b549812da77b63f00.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sacfffad7a3f942cfb821506edf70a654x.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"1pcs \/ HC-12 Module","offer_id":55377109745963,"sku":"14:1254#1pcs;3:201010228#HC-12 Module","price":10.22,"currency_code":"USD","in_stock":true},{"title":"2pcs \/ HC-12 Module","offer_id":55377109778731,"sku":"14:771#2pcs;3:201010228#HC-12 Module","price":19.31,"currency_code":"USD","in_stock":true},{"title":"5pcs \/ HC-12 Module","offer_id":55377109811499,"sku":"14:365458#5pcs;3:201010228#HC-12 Module","price":47.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S61b44f0850e34a30b549812da77b63f00.webp?v=1788332812"},{"product_id":"hc-12-si4463-wireless-microcontroller-serial-433-long-range-1000m-with-antenna-for-bluetooth","title":"HC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China,Mainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv style=\"display:mangofig\"\u003e\n \u003cdiv style=\"height:0;overflow:hidden;\"\u003e\n  modname=ckeditor\n \u003c\/div\u003e\n \u003cdiv\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cdiv\u003e\n   \u003cbr\u003e\n   \u003cdiv\u003e\n    \u003cbr\u003e\n    \u003cdiv\u003e\n     \u003cbr\u003e\n     \u003cdiv\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\u003cstrong\u003eHC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003c\/strong\u003e\n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        PS: HC-11 can not be connected to communicate with the HC-12, they work independently, in pairs. \n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO) \n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps). \n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        3: The default idle current: 16MA (modules in different operating current of the different operating modes). \n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        4: Module Size: 27.8mm × 14.4mm × 4mm. \n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set) \n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        6: The module supports software upgrades. (We provide customers with software upgrades) \n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n        7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M). \u003cimg style=\"font-family:Helvetica, Arial, sans-serif\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se67924ff17ac40c2ac6860b4ca6459b48.jpg\" slate-data-type=\"image\"\u003e\n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n      \u003cdiv style=\"font-family:\" open sans roboto arial helvetica sans-serif simsun\u003e\n       \u003cbr\u003e\n       \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n        \u003cbr\u003e\n         Here are several of the antenna connection can be selected. \n        \u003cbr\u003e\n       \u003c\/div\u003e\n       \u003cbr\u003e\n       \u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S58c4a4eabf674f929b3efa1a8c16c102Y.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se50d839225d14afab5fd31204454d2b0k.jpg\" slate-data-type=\"image\"\u003eAs shown above, HC-12 module is used instead of the half-duplex communication physical connection to the left of the serial device sends data to the module, the module receives the left RXD port serial data, the data is automatically sent by way of radio waves into the air. The right of the module can automatically receive and restore the left side of the device was originally issued by the serial data from the TXD. From right to left is the same.\u003c\/p\u003e\n       \u003cbr\u003e\n       \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n       \u003cbr\u003e\n       \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n       \u003cbr\u003e\n       \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n         \u003cbr\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\n         \u003cbr\u003e\n        \u003c\/div\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n         \u003cbr\u003e\n          HC-12 module has three serial pass-through mode, using FU1, FU2 and FU3 said. When used, the various models are just to send and receive serial data, wireless transmission portion of the air tube. The default work under FU3 full mode, which automatically adjusts air baud serial port baud rate according to at low baud communication distances. Different modes can not exchange data, the user can select the optimal mode according to the actual situation. \n         \u003cbr\u003e\n        \u003c\/div\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n         \u003cbr\u003e\n          When using generally do not limit the number of bytes to a continuous serial transmission module. However, in view of factors such as environmental disturbance, when a large amount of data sent continuously, there may be missing some bytes. So, the PC is best to have the response and retransmission mechanisms to avoid loss of information. \n         \u003cbr\u003e\n        \u003c\/div\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n        \u003cbr\u003e\n        \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n         \u003cbr\u003e\n         \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n          \u003cbr\u003e\u003cstrong\u003eAT command set:\u003c\/strong\u003e\n          \u003cbr\u003e\n         \u003c\/div\u003e\n         \u003cbr\u003e\n         \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n         \u003cbr\u003e\n         \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n          \u003cbr\u003e\n           Module parameters, AT command set \n          \u003cbr\u003e\n         \u003c\/div\u003e\n         \u003cbr\u003e\n         \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n          \u003cbr\u003e\n           AT command is used to set the parameters of the function module and switching modules need to exit the setting mode after setting to take effect. Meanwhile, modify the parameters and functions, power-down is not lost. \n          \u003cbr\u003e\n         \u003c\/div\u003e\n         \u003cbr\u003e\n         \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n         \u003cbr\u003e\n         \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n          \u003cbr\u003e\n          \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n           \u003cbr\u003e\n            (1), enter the command mode of \n           \u003cbr\u003e\n          \u003c\/div\u003e\n          \u003cbr\u003e\n          \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n           \u003cbr\u003e\n            The first entry mode - normal use (has the power) in the first 5-pin \"SET\" is set low; \n           \u003cbr\u003e\n          \u003c\/div\u003e\n          \u003cbr\u003e\n          \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n           \u003cbr\u003e\n            The second mode of entry - power, 5th pin \"SET\" again first set low on power. \n           \u003cbr\u003e\n          \u003c\/div\u003e\n          \u003cbr\u003e\n          \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n           \u003cbr\u003e\n            Both methods can make the module into AT command mode, release (\"SET\" pin is not connected low) to exit command mode. After the exit command mode, if you change the module function, the function will be cut to the appropriate state. \n           \u003cbr\u003e\n          \u003c\/div\u003e\n          \u003cbr\u003e\n          \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n           \u003cbr\u003e\n            The second way is fixed in serial format 9600, N, 1 into the AT. \n           \u003cbr\u003e\n          \u003c\/div\u003e\n          \u003cbr\u003e\n          \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             (2) Instructions \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             1. AT \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Test instructions \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Example: \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Send module commands \"AT\", the module returns \"OK\". \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             2. AT + Bxxxx \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Change the serial port baud rate command. You can set the baud rate is 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps and 115200bps. The factory default is 9600bps. \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Example: \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Set the module serial port baud rate is 19200bps, please send module command \"AT + B19200\", the module returns \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             \"OK + B19200\". \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             3. AT + Cxxx \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Change the wireless communication channel, selectable from 001 to 127 (more than 100 radio channels after the communication distance not guaranteed). The default value is 001 radio channels, operating frequency is 433.4MHz. Step channel is 400KHz, the operating frequency of the channel 100 is 473.0 MHz. \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Example: \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Set module to channel 21, please send module command \"AT + C021\", the module returns \"OK + C021\". \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             After exiting the command mode, the module in the first 21 channels, operating frequency is 441.4 MHz. \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Note: Because the wireless receiver module sensitivity HC-12 is relatively high, the baud rate is greater than when air 58000 bps, 5 must be shifted to the adjacent channel use. When the air baud rate is not greater than 58000 bps, if the short distance (10 meters) communication, but also need to stagger five adjacent channel use. \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             4. AT + FUx \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Change the module serial pass-through mode, there FU1, FU2 and FU3 three modes. Module default mode is FU3, two serial pass-through mode module must be set to the same communication. See detailed above, \"wireless serial pass-through\" part. \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Example: \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n             Send module commands \"AT + FU1\", the module returns \"AT + OK\". \n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n           \u003cbr\u003e\n           \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n            \u003cbr\u003e\n            \u003cp style=\"line-height:15.75pt;margin:0pt 0px;margin-bottom:0pt;margin-top:0pt;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e6. AT + Px\u003c\/p\u003e\n            \u003cbr\u003e\n            \u003cp style=\"line-height:15.75pt;margin:0pt 0px;margin-bottom:0pt;margin-top:0pt;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa109b62276504d2491d5e829bbef05a7L.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n            \u003cbr\u003e\n            \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n             \u003cbr\u003e\n              The default setting is 8, maximum transmit power, communication distances. Transmit power level is set to 1, the minimum transmission power. In general, the transmission power of each drop 6dB, communication distance will be reduced by half. \n             \u003cbr\u003e\n            \u003c\/div\u003e\n            \u003cbr\u003e\n            \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n             \u003cbr\u003e\n              Example: \n             \u003cbr\u003e\n            \u003c\/div\u003e\n            \u003cbr\u003e\n            \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n             \u003cbr\u003e\n              Send module commands \"AT + P 5\", the module returns \"OK + P5\". After exiting the command mode, the module transmit power is +11 dBm. \n             \u003cbr\u003e\n            \u003c\/div\u003e\n            \u003cbr\u003e\n            \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n            \u003cbr\u003e\n            \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n            \u003cbr\u003e\n            \u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n             \u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd1aa6091f3462cb964457e5e7708b9L.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scd46207b9a36457db467e7ec9084923eD.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S33bc06ea3f2748e3abbbdae025e6cd91h.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S77bf33230fcb4a079fab0bf145bafe9bH.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1f3fa52adbd04a839a3f7744debf1aa9c.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8e86254769e14bf6bf54c046975c8ffbD.jpg\" slate-data-type=\"image\"\u003e\n             \u003cbr\u003e\n            \u003c\/div\u003e\n            \u003cbr\u003e\n           \u003c\/div\u003e\n           \u003cbr\u003e\n          \u003c\/div\u003e\n          \u003cbr\u003e\n         \u003c\/div\u003e\n         \u003cbr\u003e\n        \u003c\/div\u003e\n        \u003cbr\u003e\n       \u003c\/div\u003e\n       \u003cbr\u003e\n      \u003c\/div\u003e\n      \u003cbr\u003e\n     \u003c\/div\u003e\n     \u003cbr\u003e\n     \u003cdiv\u003e\n      \u003cbr\u003e\n         \n      \u003cbr\u003e\n     \u003c\/div\u003e\n     \u003cbr\u003e\n    \u003c\/div\u003e\n    \u003cbr\u003e\n    \u003cbr\u003e\n    \u003cbr\u003e\n   \u003c\/div\u003e\n   \u003cbr\u003e\n  \u003c\/div\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"10pcs SI4463","offer_id":55377110434091,"sku":"14:496#10pcs SI4463","price":138.02,"currency_code":"USD","in_stock":true},{"title":"10pcs SI4438","offer_id":55377110466859,"sku":"14:366#10pcs SI4438","price":133.38,"currency_code":"USD","in_stock":true},{"title":"2pcs SI4463","offer_id":55377110499627,"sku":"14:201659813#2pcs SI4463","price":23.31,"currency_code":"USD","in_stock":true},{"title":"2pcs SI4438","offer_id":55377110532395,"sku":"14:4044226#2pcs SI4438","price":23.54,"currency_code":"USD","in_stock":true},{"title":"SI4463","offer_id":55377110565163,"sku":"14:350852#SI4463","price":14.99,"currency_code":"USD","in_stock":true},{"title":"SI4438","offer_id":55377110597931,"sku":"14:1202#SI4438","price":14.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sd208d643c9cc4366a712dd5c7f43f241n.webp?v=1788332812"},{"product_id":"tzt-1-3pcs-433mhz-hc-12-si4463-4438-wireless-serial-port-module-1000m-replace-bluetooth-new","title":"TZT 1\/3PCS 433Mhz HC-12 SI4463\/4438 Wireless Serial Port Module 1000m Replace Bluetooth NEW","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTZT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunctions\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectronic Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-40-+85\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIY KIT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRange of application\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n \u003cp style=\"margin:0px;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9ac037e3de724feb999fbe4c80fd3e5aW.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9ac037e3de724feb999fbe4c80fd3e5aW.jpg\" style=\"width:800px;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S61a48b0e8c6a47d6ab702045580f3a96K.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S61a48b0e8c6a47d6ab702045580f3a96K.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sdd774b83e90742b0b41f3b8d993c84c8Y.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sdd774b83e90742b0b41f3b8d993c84c8Y.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd8dcee76077f4eaeb3626792d56f16977.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sd8dcee76077f4eaeb3626792d56f16977.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S13f7c614233b48398e1c2759daab5df9W.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S13f7c614233b48398e1c2759daab5df9W.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S06f5b8c704c943718b58d10041ae1583g.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S06f5b8c704c943718b58d10041ae1583g.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf0c5edc44e1e408e9d3c9ce0ac2551b1z.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sf0c5edc44e1e408e9d3c9ce0ac2551b1z.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7326fa4448304d3f8a0916d48c13440dh.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S7326fa4448304d3f8a0916d48c13440dh.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S80af0cf1d55e462e937b4a3c11a1cd9fK.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S80af0cf1d55e462e937b4a3c11a1cd9fK.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2f01238547034788b4d5118a03bd1735m.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S2f01238547034788b4d5118a03bd1735m.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"font-size:13px;background-color:#ffffff;\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"STM8S003F3P6 \/ 1PCS","offer_id":55377110696235,"sku":"14:350852#STM8S003F3P6;3:201010228#1PCS","price":6.84,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6 \/ 3PCS","offer_id":55377110729003,"sku":"14:350852#STM8S003F3P6;3:1981284404#3PCS","price":19.67,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3U6 \/ 1PCS","offer_id":55377110761771,"sku":"14:351074#STM8S003F3U6;3:201010228#1PCS","price":6.84,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3U6 \/ 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style=\"color:#333\"\u003eDIYTZT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunctions\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectronic Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRange of application\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther Module\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7d23a9bdac4a4ae9a4cdeed112e4f63c6.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S7d23a9bdac4a4ae9a4cdeed112e4f63c6.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Seb2f97c2330b4328924a4b6bdddef598k.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Seb2f97c2330b4328924a4b6bdddef598k.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2d66049c3e1248578a615b0442173936R.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S2d66049c3e1248578a615b0442173936R.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3b436207f2aa42c096eb48f50a6e9160s.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S3b436207f2aa42c096eb48f50a6e9160s.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sfaec3c8f242c4002a89f3f9f3fa363a7O.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfaec3c8f242c4002a89f3f9f3fa363a7O.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sacca41e5544e4a17a3e21bbe65f10762N.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sacca41e5544e4a17a3e21bbe65f10762N.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S57969deec9b14927a2e352887c5ca5c4Q.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S57969deec9b14927a2e352887c5ca5c4Q.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" 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style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCompatible Audio \u0026amp; Video Equipment Style\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAmplifier\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 1\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Port Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 2\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC12 433Mhz SI4463\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 3\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Port\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 4\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 5\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC12 433Mh\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eIR\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style=\"width:100%;height:100%;\"\u003e\r\n\t\u003cdiv id=\"description\"\u003e\r\n\t\t\u003cdiv class=\"ui-box-body\"\u003e\r\n\t\t\t\u003cdiv\u003e1. Supply voltage 3.2V - 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003cbr\u003e2. Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003cbr\u003e3. The default idle current: 16MA (modules in different operating current of the different operating modes).\u003cbr\u003e4. Operating frequency range: 433-473.0MHz, up to 100 communication channels. Maximum 100mW transmit power (can be set)\u003cbr\u003e5. The module supports software upgrades. The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433M).\u003cbr\u003e\u003cbr\u003ecolour:Blue\u003cbr\u003eMaterial:plastic\u003cbr\u003esize:27.8 x 14.4 x 4mm\u003cbr\u003e\u003cbr\u003ePackage Contents:\u003cbr\u003e1 x Wireless Serial Port Module\u003cbr\u003e\u003cbr\u003eOnly the above package content, other products are not included.\u003cbr\u003eNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.\u003c\/div\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\u003c\/div\u003e\r\n\t\u003cdiv id=\"details\"\u003e\r\n\t\t\u003cdiv class=\"ui-box-body\"\u003e\r\n\t\t\t\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"width: 100.0%;\"\u003e\u003ctbody\u003e\u003ctr\u003e \u003ctd style=\"margin: 0 auto; text-align: center;\"\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4fa0406ec34c4a7b93ee89d6e9324f6bJ.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2fd6dc868ce44b0c91872d50f869132fY.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sff3da224d7094b1fac17710cecf2540bq.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" 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HC-12 SI4463\/4438 Wireless Serial Port Module 1000m Replace Bluetooth NEW","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGREATZT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan 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\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"STM8S003F3P6 \/ 2PCS","offer_id":55377113055531,"sku":"14:1202#STM8S003F3P6;3:1981284404#2PCS","price":12.47,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6 \/ 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4PCS","offer_id":55377113219371,"sku":"14:1202#STM8S003F3P6;3:18247432443#4PCS","price":24.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sca415797f2d64172afd617c3e4be3f97m.webp?v=1788332815"},{"product_id":"1pcs-hc-12-433mhz-si4438-wireless-serial-port-module-1000m-replace-bluetooth-compatible-new","title":"1pcs HC-12 433Mhz SI4438 Wireless Serial Port Module 1000m Replace Bluetooth-compatible NEW","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAITEWIN ROBOT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003ch3 style=\"box-sizing:content-box;font-size:1.5em;border-top:0px;font-family:arial , helvetica , sans-serif;border-right:0px;vertical-align:baseline;border-bottom:0px;font-weight:400;color:#000000;font-style:normal;margin:0px 0px 1em;border-left:0px;line-height:1;background-color:#ffffff;padding:0px;\"\u003e\u003cstrong style=\"box-sizing:content-box;font-weight:700;\"\u003eSI4438 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003cbr\u003e \u003cbr\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003cbr\u003e \u003cbr\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003cbr\u003e \u003cbr\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003cbr\u003e \u003cbr\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003cbr\u003e \u003cbr\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003cbr\u003e \u003cbr\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"box-sizing:content-box;font-size:13px;border-top:0px;font-family:arial , helvetica , sans-serif;border-right:0px;vertical-align:baseline;border-bottom:0px;font-weight:400;color:#000000;font-style:normal;margin:0px;border-left:0px;background-color:#ffffff;padding:0px;\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sad7c5434e3cd4f59bc10367153f7e85fz.jpg\" style=\"width:800px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sad7c5434e3cd4f59bc10367153f7e85fz.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfd636c86a33b407897cb3a042f40254fN.jpg\" style=\"width:800px;\" 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style=\"color:#333\"\u003eDIY KIT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRange of application\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cp style=\"margin:0px;\"\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se3499440262a4bd092586dc42ff432fa7.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Se3499440262a4bd092586dc42ff432fa7.jpg\"\u003e\u003c\/p\u003e \n\u003c\/div\u003e\n\u003cp\u003e\u003cimg 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data-src=\"https:\/\/ae01.alicdn.com\/kf\/S67204b8e76e444f5bfcdff76471ba9b8w.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S063e4eb061e64ae8a18e5320f43ee1c1F.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S063e4eb061e64ae8a18e5320f43ee1c1F.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sde4b80388eda4a45b0fae1ca510c4e5aG.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sde4b80388eda4a45b0fae1ca510c4e5aG.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S145862972b184a4ba7bdd64da8701a32C.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S145862972b184a4ba7bdd64da8701a32C.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" 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Power Relays","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eICYYXDZ\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInternational standard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRelay\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S834b0c82eda54493a6463cb82db67e55B.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HF46F-012-HS1(12V)","offer_id":55377114628395,"sku":"14:350852#HF46F-012-HS1(12V)","price":10.71,"currency_code":"USD","in_stock":true},{"title":"HF46F-005-HS1(5V)","offer_id":55377114661163,"sku":"14:1202#HF46F-005-HS1(5V)","price":10.71,"currency_code":"USD","in_stock":true},{"title":"HF46F-005-HS1T(5V)","offer_id":55377114693931,"sku":"14:4044226#HF46F-005-HS1T(5V)","price":11.61,"currency_code":"USD","in_stock":true},{"title":"HF46F-024-HS1(24V)","offer_id":55377114726699,"sku":"14:351074#HF46F-024-HS1(24V)","price":11.61,"currency_code":"USD","in_stock":true},{"title":"HF46F-024-HS1T(24V)","offer_id":55377114759467,"sku":"14:10#HF46F-024-HS1T(24V)","price":12.42,"currency_code":"USD","in_stock":true},{"title":"HF46F-012-HS1T(12V)","offer_id":55377114792235,"sku":"14:201659813#HF46F-012-HS1T(12V)","price":11.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S968a4ced0b214d85b4f976e3bc996d61B.webp?v=1788332818"},{"product_id":"2pcs-5pcs-hc-12-433mhz-si4438-wireless-serial-port-module-1000m-with-antenna-replace-bluetooth","title":"2PCS\/5PCS HC-12 433Mhz SI4438 Wireless Serial Port Module 1000m With Antenna Replace Bluetooth","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAITEXM ROBOT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 Bluetooth Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 Bluetooth Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003ch3 style=\"font-size:16px;font-weight:400;letter-spacing:normal;line-height:24px;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin-bottom:8px;margin-top:0px;box-sizing:border-box\"\u003e\u003cstrong\u003eSI4438 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003cbr\u003e\u003cbr\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003cbr\u003e\u003cbr\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003cbr\u003e\u003cbr\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003cbr\u003e\u003cbr\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003cbr\u003e\u003cbr\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003cbr\u003e\u003cbr\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H4393ab7391224cdb96d17edb7945d021r.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"5PCS","offer_id":55377115480363,"sku":"14:366#5PCS","price":64.31,"currency_code":"USD","in_stock":true},{"title":"2PCS","offer_id":55377115513131,"sku":"14:193#2PCS","price":22.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/H4393ab7391224cdb96d17edb7945d021r.webp?v=1788332818"},{"product_id":"1-2-5pcs-tzt-433mhz-hc-12-si4463-4438-serial-port-module-1000m","title":"1\/2\/5pcs TZT 433Mhz HC-12 SI4463\/4438 Serial Port Module 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src=\"https:\/\/ae01.alicdn.com\/kf\/Sa2680edea115494cabcb64ad52fa01c2k.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sa2680edea115494cabcb64ad52fa01c2k.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7cebe1904a434f69941168be57610493v.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S7cebe1904a434f69941168be57610493v.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6b12fe75478f4dd6aef1aa560b29d6ceL.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S6b12fe75478f4dd6aef1aa560b29d6ceL.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7e40e84056d449a1b08b3d9d0a1d1b32c.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S7e40e84056d449a1b08b3d9d0a1d1b32c.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"STM8S003F3P6 \/ 5pcs","offer_id":55377116168491,"sku":"14:351074#STM8S003F3P6;3:18247432443#5pcs","price":29.3,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3U6 \/ 1pcs","offer_id":55377116201259,"sku":"14:4044226#STM8S003F3U6;3:201010228#1pcs","price":6.98,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3U6 \/ 2pcs","offer_id":55377116234027,"sku":"14:4044226#STM8S003F3U6;3:1981284404#2pcs","price":12.47,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3U6 \/ 5pcs","offer_id":55377116266795,"sku":"14:4044226#STM8S003F3U6;3:18247432443#5pcs","price":29.3,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6 \/ 1pcs","offer_id":55377116299563,"sku":"14:351074#STM8S003F3P6;3:201010228#1pcs","price":6.98,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6 \/ 2pcs","offer_id":55377116332331,"sku":"14:351074#STM8S003F3P6;3:1981284404#2pcs","price":12.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sbb22d8fb3d62435988a63ccd9ca11d5aY.webp?v=1788332819"},{"product_id":"20pcs-1pc-hc-12-433mhz-si4438-si4463-wireless-serial-port-module-1000m-uart-3-3v-5v-ttl-level-with-antenna-bluetooth-compatible","title":"20Pcs\/1pc HC-12 433Mhz SI4438 SI4463 Wireless Serial Port Module 1000m UART 3.3V\/5V TTL Level With Antenna Bluetooth-compatible","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003e1KM\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1000m 433M hz 433 Mhz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e433Mhz HC-12 SI4463 Wireless\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSerial Port Module 1000m Replace Bluetooth-compatible\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEC Buying\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003elow\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHC-12 SI4438\/4463 SI4463\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e433Mhz  Wireless Serial Port Module 1000m\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHC-12 SI4463 433Mhz Wifi Wireless Serial Port Module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC12 1KM 1000m 433MHz Receiving and Transmitting Board PCB\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enormal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSmart Electronics Experiment\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM32\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.2~5.5V PCB Board\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWifi Wireless Serial Port Module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ereceiving and transmitting Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa639c5b549124cb6be2ff24b456c5ed2F.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdffe5de2f378444f84f3f82efdc3daced.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003ePower supply voltage : 3.2 V -- 5.5 V.(if the modules working long hours in emission state, suggested that when the power supply voltage is greater than 4.5 V , you need concatenating a 1N4007 diode to avoid module built-in LDO got fever)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eDefault communication distance : about 600 m (communication distance is adjustable up to 1000 m, air baud rate 5000 BPS).\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eDefault idle current: 16 ma (modules in different working mode of different current).\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eModule size: 27.8mm*14.4mm*4mm.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eOperating frequency range (433.4 473.0 MHz, as many as 100 communication channel) maximum 100 mw fired power (can be set)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eModule supporting software upgrades.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eDefault factory Settings: working mode FU3, baud rate 9600 BPS, communication channel CH001 (433.4 M)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hd5b92e540eec44dca4edd468cee96a6af.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1a3b0887fd7c4875817d87a93cb9a5f4Q.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2c49d57b2b5b4655b6972837f7216d2ai.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"for HC-12 Pinhead","offer_id":55377116463403,"sku":"14:193#for HC-12 Pinhead","price":1.13,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP 4pcs","offer_id":55377116496171,"sku":"14:771#HC-12 TSSOP 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5pcs","price":38.52,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 2pcs","offer_id":55377116758315,"sku":"14:200001438#HC-12 QFN 2pcs","price":15.89,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 1pc","offer_id":55377116791083,"sku":"14:200002130#HC-12 QFN 1pc","price":8.1,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP 10pcs","offer_id":55377116823851,"sku":"14:200004889#HC-12 TSSOP 10pcs","price":76.46,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP 9pcs","offer_id":55377116856619,"sku":"14:200004890#HC-12 TSSOP 9pcs","price":70.11,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 6pcs","offer_id":55377116889387,"sku":"14:203008817#HC-12 QFN 6pcs","price":47.16,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 5pcs","offer_id":55377116922155,"sku":"14:200003699#HC-12 QFN 5pcs","price":38.52,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 4pcs","offer_id":55377116954923,"sku":"14:350853#HC-12 QFN 4pcs","price":31.77,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 3pcs","offer_id":55377116987691,"sku":"14:200004891#HC-12 QFN 3pcs","price":23.85,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 10pcs","offer_id":55377117020459,"sku":"14:200006159#HC-12 QFN 10pcs","price":76.59,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 9pcs","offer_id":55377117053227,"sku":"14:202520811#HC-12 QFN 9pcs","price":70.2,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 8pcs","offer_id":55377117085995,"sku":"14:202997806#HC-12 QFN 8pcs","price":62.51,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 7pcs","offer_id":55377117118763,"sku":"14:203008818#HC-12 QFN 7pcs","price":54.86,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP 15pcs","offer_id":55377117151531,"sku":"14:200004870#HC-12 TSSOP 15pcs","price":116.1,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 20pcs","offer_id":55377117184299,"sku":"14:203027876#HC-12 QFN 20pcs","price":151.02,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP 20pcs","offer_id":55377117217067,"sku":"14:203192887#HC-12 TSSOP 20pcs","price":150.84,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN 15pcs","offer_id":55377117249835,"sku":"14:200006252#HC-12 QFN 15pcs","price":116.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S9a0feeb181614f689b807af9ed7991b96.webp?v=1788332820"},{"product_id":"1-10pcs-hc-sr501-sr505-mini-ir-pyroelectri-infrared-pir-motion-human-sensor-automatic-detector-module-am312-sensor-dc-2-7-to-12v","title":"1-10PCS HC-SR501 SR505 Mini IR Pyroelectri Infrared PIR Motion Human Sensor Automatic Detector Module AM312 Sensor DC 2.7 to 12V","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cdiv style=\"overflow:hidden;height:0px\"\u003emodname=ckeditor\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000001303314\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cstrong\u003e5-10pcs Mini IR Pyroelectric Infrared PIR Motion Human Sensor Automatic Detector Module AM312 Sensor DC 2.7 to 12V\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eProduct Features:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e1. Low power consumption, small size, easy to install\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e2. Internal use of digital signal processing, pit interference strong\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e3. High sensitivity, reliability, and can be widely used in automatic sensing circuit\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e4. Repeatable trigger mode: that is, after the induction output is high, in the delay period, if the body in its induction range of activities, the output will remain high until the delay after the person to become Low level.  (Ie, the sensing module automatically detects a delay period after each activity of the human body, and takes the last active time as the starting point for the delay time).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;text-align:center;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" align=\"center\"\u003e\u003cimg style=\"font-size:0px;color:transparent;border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;width:auto;box-sizing:content-box\" width=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sa6cc11365124494bbf2b61842b05f0866.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eTechnical Parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:normal;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eOperating voltage: DC 2.7-12V;\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eStatic power consumption: \u0026lt;0.1mA;\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eDelay time: 2 seconds;\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eBlock time: 2 seconds;\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eTrigger mode: repeatable;\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eSensing range: ≤ 100 degrees cone angle, 3-5 meters; (according to the specific lens)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eWorking temperature: -20 - + 60 °\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003ePCB Dimensions: 10mm * 8mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eModule lens: small lens\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S182e1aebf80c4d659c74d00f3ff5bf320.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7c065f9856f9418998f3a033e47f6e68Q.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"SR505 5PCS","offer_id":55377117315371,"sku":"14:200003699#SR505 5PCS","price":25.83,"currency_code":"USD","in_stock":true},{"title":"SR602 5PCS","offer_id":55377117348139,"sku":"14:29#SR602 5PCS","price":25.07,"currency_code":"USD","in_stock":true},{"title":"SR501 2PCS","offer_id":55377117380907,"sku":"14:173#SR501 2PCS","price":17.06,"currency_code":"USD","in_stock":true},{"title":"SR501 5PCS","offer_id":55377117413675,"sku":"14:1052#SR501 5PCS","price":30.15,"currency_code":"USD","in_stock":true},{"title":"10pcs","offer_id":55377117446443,"sku":"14:203008818#10pcs","price":39.56,"currency_code":"USD","in_stock":true},{"title":"SR505 10PCS","offer_id":55377117479211,"sku":"14:366#SR505 10PCS","price":41.54,"currency_code":"USD","in_stock":true},{"title":"5pcs","offer_id":55377117511979,"sku":"14:10#5pcs","price":23.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sdb96baa41b76425c9722865bb09a741fp.webp?v=1788332820"},{"product_id":"hc-12-si4463-wireless-microcontroller-serial-433-long-range-1000m-with-antenna-for-bluetooth-1","title":"HC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSTJF\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e...\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunctions\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectronic Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIY Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRange of application\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.2V-5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:28px;\"\u003eProduct model :HC-12\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eModule size :27.4x 13.2 X 4mm\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eOperating band :433.4~473.0MHz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eOperating temperature :-25C~+ 75°C\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eOperating voltage :3.2~5.5V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eCommunication interface :UART 3.3V\/5V TTL level\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eAntenna interface: Spring antenna\/antenna socket\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eTransmit power :20dBm(Max)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eIdle current :16mA\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eReference distance :1000 meters\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003eSerial baud rate: 1 200 to 115,200 BPS\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:28px;\"\u003e(Default: 9600bps)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cstrong data-spm-anchor-id=\"a2g0o.detail.1000023.i0.b92dl2ill2ilXf\" style=\"box-sizing:border-box;outline-color:invert;outline-style:none;outline-width:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eHC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003ePS: HC-11 can not be connected to communicate with the HC-12, they work independently, in pairs.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cimg alt=\"aeProduct.getSubject()\" data-spm-anchor-id=\"a2g0o.detail.1000023.i1.b92dl2ill2ilXf\" data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sddc2305fdbfd4301a8c7b254833b8fden.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sddc2305fdbfd4301a8c7b254833b8fden.jpg\" style=\"border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;box-sizing:border-box;margin:0px;max-width:100%;outline-color:invert;outline-style:none;outline-padding:0px;vertical-align:middle;-webkit-tap-highlight-color:transparent;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003eHere are several of the antenna connection can be selected.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-spm-anchor-id=\"a2g0o.detail.1000023.i2.b92dl2ill2ilXf\" style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cimg alt=\"aeProduct.getSubject()\" data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S606a9170c8ff4759b926949af3925f80K.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S606a9170c8ff4759b926949af3925f80K.jpg\" style=\"border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;box-sizing:border-box;margin:0px;max-width:100%;outline-color:invert;outline-style:none;outline-padding:0px;vertical-align:middle;-webkit-tap-highlight-color:transparent;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cimg alt=\"aeProduct.getSubject()\" data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0c2959609865472484ee9b0af0048d7cA.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0c2959609865472484ee9b0af0048d7cA.jpg\" style=\"border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;box-sizing:border-box;margin:0px;max-width:100%;outline-color:invert;outline-style:none;outline-padding:0px;vertical-align:middle;-webkit-tap-highlight-color:transparent;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003eAs shown above, HC-12 module is used instead of the half-duplex communication physical connection to the left of the serial device sends data to the module, the module receives the left RXD port serial data, the data is automatically sent by way of radio waves into the air. The right of the module can automatically receive and restore the left side of the device was originally issued by the serial data from the TXD. From right to left is the same.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;color:#222222;\" font-size:14px\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cstrong style=\"box-sizing:border-box;outline-color:invert;outline-style:none;outline-width:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eProduct Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eHC-12 module has three serial pass-through mode, using FU1, FU2 and FU3 said. When used, the various models are just to send and receive serial data, wireless transmission portion of the air tube. The default work under FU3 full mode, which automatically adjusts air baud serial port baud rate according to at low baud communication distances. Different modes can not exchange data, the user can select the optimal mode according to the actual situation.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eWhen using generally do not limit the number of bytes to a continuous serial transmission module. However, in view of factors such as environmental disturbance, when a large amount of data sent continuously, there may be missing some bytes. So, the PC is best to have the response and retransmission mechanisms to avoid loss of information.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box;margin:0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\n\u003cdiv\u003e\u003cstrong style=\"box-sizing:border-box;outline-color:invert;outline-style:none;outline-width:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003eAT command set:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eModule parameters, AT command set\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eAT command is used to set the parameters of the function module and switching modules need to exit the setting mode after setting to take effect. Meanwhile, modify the parameters and functions, power-down is not lost.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e(1), enter the command mode of\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eThe first entry mode - normal use (has the power) in the first 5-pin \"SET\" is set low;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eThe second mode of entry - power, 5th pin \"SET\" again first set low on power.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eBoth methods can make the module into AT command mode, release (\"SET\" pin is not connected low) to exit command mode. After the exit command mode, if you change the module function, the function will be cut to the appropriate state.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eThe second way is fixed in serial format 9600, N, 1 into the AT.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e(2) Instructions\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e1. AT\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eTest instructions\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eExample:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eSend module commands \"AT\", the module returns \"OK\".\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e2. AT + Bxxxx\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eChange the serial port baud rate command. You can set the baud rate is 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps and 115200bps. The factory default is 9600bps.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eExample:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eSet the module serial port baud rate is 19200bps, please send module command \"AT + B19200\", the module returns\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e\"OK + B19200\".\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e3. AT + Cxxx\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eChange the wireless communication channel, selectable from 001 to 127 (more than 100 radio channels after the communication distance not guaranteed). The default value is 001 radio channels, operating frequency is 433.4MHz. Step channel is 400KHz, the operating frequency of the channel 100 is 473.0 MHz.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eExample:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eSet module to channel 21, please send module command \"AT + C021\", the module returns \"OK + C021\".\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eAfter exiting the command mode, the module in the first 21 channels, operating frequency is 441.4 MHz.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eNote: Because the wireless receiver module sensitivity HC-12 is relatively high, the baud rate is greater than when air 58000 bps, 5 must be shifted to the adjacent channel use. When the air baud rate is not greater than 58000 bps, if the short distance (10 meters) communication, but also need to stagger five adjacent channel use.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e4. AT + FUx\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eChange the module serial pass-through mode, there FU1, FU2 and FU3 three modes. Module default mode is FU3, two serial pass-through mode module must be set to the same communication. See detailed above, \"wireless serial pass-through\" part.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eExample:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eSend module commands \"AT + FU1\", the module returns \"AT + OK\".\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"box-sizing:border-box;line-height:15.75pt;margin:0pt 0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e6. AT + Px\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing:border-box;line-height:15.75pt;margin:0pt 0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S91b5a21c438543f992b4cdc6e98081c9U.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S91b5a21c438543f992b4cdc6e98081c9U.jpg\" style=\"border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;box-sizing:border-box;margin:0px;max-width:100%;outline-color:invert;outline-style:none;outline-padding:0px;vertical-align:middle;-webkit-tap-highlight-color:transparent;\"\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing:border-box;line-height:15.75pt;margin:0pt 0px;outline-color:invert;outline-style:none;outline-width:0px;padding:0px;-webkit-tap-highlight-color:transparent;\"\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eThe default setting is 8, maximum transmit power, communication distances. Transmit power level is set to 1, the minimum transmission power. In general, the transmission power of each drop 6dB, communication distance will be reduced by half.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eExample:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003eSend module commands \"AT + P 5\", the module returns \"OK + P5\". After exiting the command mode, the module transmit power is +11 dBm.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S14fd5a48ff954ab0aaeff96e3e90066fZ.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S14fd5a48ff954ab0aaeff96e3e90066fZ.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S99915e6f2cef43cba25c4aa8ddd1db028.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S99915e6f2cef43cba25c4aa8ddd1db028.jpg\"\u003e\u003cimg data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5c48ec82ade94247bc1b485e0e0ea3413.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5c48ec82ade94247bc1b485e0e0ea3413.jpg\"\u003e\u003cimg data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S861cc138d47a4bffb76f0bc35a3f501cL.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S861cc138d47a4bffb76f0bc35a3f501cL.jpg\"\u003e\u003cimg data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4b504c5d9fd14cec99a4648822be9f2bc.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4b504c5d9fd14cec99a4648822be9f2bc.jpg\"\u003e\u003cimg data-src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sfb3d674378a94811bc4e44b7817cacbbg.jpg\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sfb3d674378a94811bc4e44b7817cacbbg.jpg\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:28px;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"CN","offer_id":55377118167339,"sku":"200007763:201441035","price":21.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sdc74feabbadd4ce088b2ba03086a24d0Z.webp?v=1788332821"},{"product_id":"hc-12-v4-0-si4438-wireless-microcontroller-serial-bluetooth-module-data-transmission-module-with-antenna","title":"HC-12 V4.0 SI4438 Wireless Microcontroller Serial Bluetooth Module Data Transmission Module  with Antenna","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAideepen\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDIY Supplies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectrical\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eData Record\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDropship\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSupport\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eKey Word\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTransmission Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther Metal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAs  Description\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAs  Description\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSemi-finishedproduct\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSize\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAs  Description\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eStyle\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAs Description\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 V4.0 SI4438 Module,As Description\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"background-color:rgb(254, 146, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e\u003ci\u003eHC-12 V4.0 SI4438 Wireless Microcontroller Serial Bluetooth Module Data Transmission Module  with Antenna\u003cbr\u003e\u003c\/i\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg width=\"944\" height=\"283\" src=\"https:\/\/ae01.alicdn.com\/kf\/S210e1527db0245029dd9e727240a1f79E.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg width=\"944\" height=\"283\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7e7f291f1b944a0c9d8698174596fd94r.jpg\" slate-data-type=\"image\"\u003e\u003cimg width=\"944\" height=\"283\" src=\"https:\/\/ae01.alicdn.com\/kf\/Scafdef82a7bf48d2a3c92fb03aed3361E.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg width=\"944\" height=\"59\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hee9d13ce747b454abc7211d9ebb8c750K.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e1. Long-range wireless transmission, 500bps air baud rate, supports a communication distance of 1000 meters in open areas.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e2. Operating frequency range 433.4—483.8MHz, up to 254 communication channels.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e3. Maximum 100mW (20dBm) transmit power (8 power levels adjustable).\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e4. Four operating modes to adapt to different applications.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e5. Built-in MCU for communication with external devices via serial port.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eProduct Introduction: The HC-12 wireless serial communication module is a new generation of multi-channel embedded wireless data transmission module. The wireless operating frequency band is 433.4—483.8MHz, with multiple channels configurable in 400KHz increments, totaling 127 channels. In default mode, the module's maximum transmit power is 100mW (20dBm), 5000bps air baud rate, receive sensitivity -116dBm, and a communication distance of 1000 meters in open areas.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eThe module uses a stamp-hole packaging method, allowing for surface mount soldering. Measuring 27.4mm × 13.2mm (excluding the spring antenna), it is easily embedded into application systems. The module features a PCB antenna mount ANT1, allowing users to connect an external antenna via coaxial cable, depending on the selected communication channel, for either the 433MHz band (suitable for 433.4MHz-450MHz) or the 470MHz band (suitable for 450MHz-483.8MHz). An internal antenna soldering hole ANT2 facilitates soldering of the spring antenna. Users can select one antenna type according to their requirements.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eThe module contains an internal MCU, eliminating the need for additional programming. Various pass-through modes allow users to simply transmit and receive serial data, making it convenient to use. The module employs multiple serial port pass-through modes, selectable via AT commands according to user requirements.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eThe average operating current in idle state for the four modes FU1, FU2, FU3, and FU4 are 3.3mA, 85μA, 16.5mA, and 16.5mA respectively, with a maximum operating current of approximately 120mA (in full-power transmission mode).\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eProduct Specifications:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eModel: HC-12 SMD V4.0\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Interface: UART 3.3V~5V TTL level\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Level: 3.3V\/5V level\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eOperating Humidity: 10%~90%\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eRF Chip Solution: SI4438, external 433MHz antenna\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eTransmission Rate: 4~5KB\/s\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Distance: 1km\/FU4, half-duplex, 1200~115200bp\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eOperating Voltage: 3.0~5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Interface\/Level: UART 3.3\/5V TTL level; Operating frequency band: 433.4~484.0MHz; Total 254 channels; Transmit power (MAX): 100mW (20dBm); Idle current in four modes: FU1: 3.3mA, FU2: 85μA, FU3: 16.5mA, FU4: 16.5mA; Operating current (MAX): 100mA (full power); Operating temperature: -40~+85℃; Reference distance: 1000m; Module size: 27.4×13.2mm; Built-in firmware, self-connecting upon power-on; note that at least two modules are required for interconnection.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eProduct Applications: Wireless sensors; Community building security; Wireless robot control; Industrial remote control\/telemetry; Automated data acquisition; Container information management; POS system; Wireless gas meter data acquisition; Keyless vehicle entry system; PC wireless networking\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003eProduct List:\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e1X Module; 1X Spring Antenna\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H143187c7e30e46d09a6799d1e8b8940de.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9c3ed1e14c2042189ea310b3312ea87aj.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sfb1454d27da84498b245c1f7588a8a08U.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2746270f3f444fc681ef274f88bfbf995.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S932dc06984c34f36b7ad0ce2bc4f6c034.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/See877d1dd836464f8cf03d847ab334607.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S176787a8ae034f62a481bb1acfc595b3d.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2b11e1cfe6fd4afebbb64c9b45fb7fb3C.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S41a0b0ed7f204969b4d26baaa203afe6X.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb53b6e10402f4b57b65a156ff7bae8abt.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S14b8fec5dea2451e8d4442b72ee5ef19S.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"A","offer_id":55377118265643,"sku":"14:350686#A","price":10.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S9c3ed1e14c2042189ea310b3312ea87aj.webp?v=1788332821"},{"product_id":"hc-12-wireless-microcontroller-serial-433-long-range-1000m-with-antenna-for-bluetooth","title":"HC-12 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDrive IC\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003cstrong\u003eHC-12  wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003ePS: HC-11 can not be connected to communicate with the HC-12, they work independently, in pairs.\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M). \u003cimg style=\"font-family:Helvetica, Arial, sans-serif\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc6aa6890543c4208b2dd8bd4f65a4380X.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eHere are several of the antenna connection can be selected.\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S67a22a20c4a04f26b1b1c575202d55abU.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa54f201e0d594850be0a3f575777500cO.jpg\" slate-data-type=\"image\"\u003eAs shown above, HC-12 module is used instead of the half-duplex communication physical connection to the left of the serial device sends data to the module, the module receives the left RXD port serial data, the data is automatically sent by way of radio waves into the air. The right of the module can automatically receive and restore the left side of the device was originally issued by the serial data from the TXD. From right to left is the same.\u003c\/p\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eHC-12 module has three serial pass-through mode, using FU1, FU2 and FU3 said. When used, the various models are just to send and receive serial data, wireless transmission portion of the air tube. The default work under FU3 full mode, which automatically adjusts air baud serial port baud rate according to at low baud communication distances. Different modes can not exchange data, the user can select the optimal mode according to the actual situation.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eWhen using generally do not limit the number of bytes to a continuous serial transmission module. However, in view of factors such as environmental disturbance, when a large amount of data sent continuously, there may be missing some bytes. So, the PC is best to have the response and retransmission mechanisms to avoid loss of information.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cstrong\u003eAT command set:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eModule parameters, AT command set\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eAT command is used to set the parameters of the function module and switching modules need to exit the setting mode after setting to take effect. Meanwhile, modify the parameters and functions, power-down is not lost.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e(1), enter the command mode of\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe first entry mode - normal use (has the power) in the first 5-pin \"SET\" is set low;\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe second mode of entry - power, 5th pin \"SET\" again first set low on power.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eBoth methods can make the module into AT command mode, release (\"SET\" pin is not connected low) to exit command mode. After the exit command mode, if you change the module function, the function will be cut to the appropriate state.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe second way is fixed in serial format 9600, N, 1 into the AT.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e(2) Instructions\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e1. AT\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eTest instructions\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSend module commands \"AT\", the module returns \"OK\".\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e2. AT + Bxxxx\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eChange the serial port baud rate command. You can set the baud rate is 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps and 115200bps. The factory default is 9600bps.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSet the module serial port baud rate is 19200bps, please send module command \"AT + B19200\", the module returns\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\"OK + B19200\".\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e3. AT + Cxxx\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eChange the wireless communication channel, selectable from 001 to 127 (more than 100 radio channels after the communication distance not guaranteed). The default value is 001 radio channels, operating frequency is 433.4MHz. Step channel is 400KHz, the operating frequency of the channel 100 is 473.0 MHz.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSet module to channel 21, please send module command \"AT + C021\", the module returns \"OK + C021\".\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eAfter exiting the command mode, the module in the first 21 channels, operating frequency is 441.4 MHz.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eNote: Because the wireless receiver module sensitivity HC-12 is relatively high, the baud rate is greater than when air 58000 bps, 5 must be shifted to the adjacent channel use. When the air baud rate is not greater than 58000 bps, if the short distance (10 meters) communication, but also need to stagger five adjacent channel use.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e4. AT + FUx\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eChange the module serial pass-through mode, there FU1, FU2 and FU3 three modes. Module default mode is FU3, two serial pass-through mode module must be set to the same communication. See detailed above, \"wireless serial pass-through\" part.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSend module commands \"AT + FU1\", the module returns \"AT + OK\".\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cp style=\"line-height:15.75pt;margin:0pt 0px;margin-bottom:0pt;margin-top:0pt;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e6. AT + Px\u003c\/p\u003e\n\u003cp style=\"line-height:15.75pt;margin:0pt 0px;margin-bottom:0pt;margin-top:0pt;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sac0a95d91f3345bfbcfe4c5c62b226590.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe default setting is 8, maximum transmit power, communication distances. Transmit power level is set to 1, the minimum transmission power. In general, the transmission power of each drop 6dB, communication distance will be reduced by half.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSend module commands \"AT + P 5\", the module returns \"OK + P5\". After exiting the command mode, the module transmit power is +11 dBm.\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S73dfb592390041f6ab2caf6bcf49436bE.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb32c6668559d4364b4a5b378cace43e2B.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S15c03c797e5b4781b6b97194a54cb6a5P.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5ad7283a36964ca9a2969e821e2fafbaI.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se425db8ea81848d6a88d3c08a81842e1L.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9a403fca297a4237bf9abe5fdc0ef8dcH.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"SI4438","offer_id":55377118331179,"sku":"14:1202#SI4438","price":11.97,"currency_code":"USD","in_stock":true},{"title":"SI4463","offer_id":55377118363947,"sku":"14:350852#SI4463","price":11.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sa4a77a2e17a647ae9fa75b78e37a74f5l.webp?v=1788332822"},{"product_id":"hc-12-v4-0-si4438-wireless-module-1km-long-distance-433-4-483-8mh-wireless-serial-port-board-built-in-mcu-uart-interface-4-5kb-s","title":"HC-12 V4.0 SI4438 wireless module 1KM long distance 433.4-483.8MH wireless serial port board Built-in MCU UART interface 4-5KB\/s","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAideepen\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE,RoHS\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDIY Supplies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectrical\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eData Record\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSI4438 Wireless Serial Communication Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunction\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 SI4438 wireless module 1KM long distance 433MHz wireless serial port module UART interface\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther Metal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 V4.0 SI4438 Wireless Serial Communication Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 SI4438 433Mhz Wireless Serial Port Module 1000m\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSize\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e27.4*13.2mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eStyle\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEmbedded Wireless Serial Data Transmission\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRF module,Wireless Serial Port Module 1000m\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003e\u003cspan style=\"color:rgba(159,5,0,255);font-size:24px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eHC-12 V4.0 SI4438 Wireless Serial Communication Module Embedded Wireless Serial Data Transmission Module with Antenna Built-in MCU (433.4–483.8 MHz)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/i\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='color:rgba(159,5,0,255);font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e1.  The HC-12 wireless serial communication module is a new-generation, multi-channel embedded wireless data transmission module. It operates in the 433.4–483.8 MHz frequency band and supports multiple channels, with a channel spacing of 400 kHz and a total of 127 channels. In default mode, the module has a maximum transmit power of 100mW (20dBm), an air data rate of 5000bps, a receive sensitivity of -116dBm, and a communication range of 1000 metres in open terrain.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e2.  The module utilises a surface-mount package with pin-through holes, allowing for surface-mount soldering. Measuring 27.4 mm × 13.2 mm (excluding the spring antenna), it is easily integrated into customer application systems. The module features a PCB antenna socket (ANT1), allowing users to connect an external antenna via a coaxial cable to the 433 MHz band (suitable for 433.4 MHz–450 MHz) or the 470 MHz band (suitable for 450 MHz–483.8 MHz), depending on the selected communication channel. The module also includes an antenna solder pad (ANT2) for convenient soldering of a spring antenna. Users may select one of these antenna options according to their requirements.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e3.  The module contains an MCU; users do not need to program the module separately. Various pass-through modes simply transmit and receive serial data, making it convenient to use. The module supports multiple serial pass-through modes, which users can select using AT commands according to their requirements.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e4.  The average operating current in idle mode for the four modes (FU1, FU2, FU3, FU4) is 3.3mA, 85μA, 16.5mA and 16.5mA respectively; the maximum operating current is approximately 120mA (during full-power transmission).\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(159,5,0,255);font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(159,5,0,255);font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e1.  Long-range wireless transmission, with an air-to-air baud rate of 500 bps and a communication range of up to 1,000 metres in open terrain\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e2.  Operating frequency range of 433.4–483.8 MHz, with up to 254 communication channels\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e3.  Maximum transmission power of 100 mW (20 dBm) (with 8 power levels available)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e4.  Four operating modes to suit different application scenarios\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e5.  Built-in MCU, communicates with external devices via serial port\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(159,5,0,255);font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eModel: HC-12 SMD Version V4.0\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eCommunication interface: UART 3.3V–5V TTL level\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eCommunication voltage: 3.3V\/5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eOperating humidity: 10%–90%\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eRF chip solution: SI4438, with external 433MHz antenna\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eData rate: 4–5 KB\/s\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eCommunication range: 1 km (FU4), half-duplex, 1200–115,200 bps\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eOperating voltage: 3.0–5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eCommunication interface\/level: UART 3.3\/5V TTL level\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eOperating frequency band: 433.4–484.0MHz, 254 channels in total\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eTransmit power (MAX): 100mW (20dBm)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eIdle current in four modes: FU1: 3.3mA, FU2: 85μA, FU3: 16.5mA, FU4: 16.5mA,\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eOperating current (MAX): 100mA (full power)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eOperating temperature: -40–+85°C\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eReference range: 1000m\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eModule dimensions: 27.4 × 13.2\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eBuilt-in firmware, auto-pairing on power-up; note that at least two modules are required for interconnection.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style='color:rgba(159,5,0,255);font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style='color:rgba(159,5,0,255);font-size:24px;font-family:\"times new roman\", times, serif'\u003eProduct applications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eWireless sensors\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eResidential and commercial building security\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eWireless control of robots\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eIndustrial remote control and telemetry\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAutomated data acquisition\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eContainer information management\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003ePOS systems\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eWireless data collection for gas meters\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eKeyless entry systems for vehicles\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eWireless PC networking\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eProduct list:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eHC-12 V4.0 SI4438 Embedded Wireless Serial Data Transmission Module × 1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eSpring Antenna × 1\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S59fdee6d66d640f7bea4f79067bf18c4b.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd54d2e95fb8c43ee954ae3a6abd99250D.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb86a7afc2295479eb753a88cf42892b00.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1566863ac0d2463c92744607f0d00ca7G.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S89322464ad34468c8e7680643620151b3.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf56c12632eda4413a27d8c5885d1fd4ac.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S585384c730fc40e3a1c9b9b8beffb89fg.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb61ce29876ea4be1acd47f91cd325695J.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6fde9e2d9c784053b279504c37483e1dE.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S35655168cc1f4f1aa3da52b76bc9ae24T.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1fd560de5aed42e2bf28dcb28cc105c5k.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sbd2c408186b540fd915868767321cddeQ.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Safdbc19554a04ce0ac4bc2a85ea4a8b8P.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9169bcbb089948cd9e58e8a8c59505649.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S96302191e5f9451499313333b7390ab1P.jpg\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HC-12 V4.0","offer_id":55377119019307,"sku":"14:10#HC-12 V4.0","price":17.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sdabb6d5ba32e4221884f812294a9856bo.webp?v=1788332822"},{"product_id":"hc-12-si4438-long-range-433mhz-wireless-microcontroller-serial-bluetooth-module-with-antenna-1000m-communication-distance","title":"HC-12 SI4438 Long-Range 433MHz Wireless Microcontroller Serial Bluetooth Module with Antenna 1000M Communication Distance","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eHC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003ePS: HC-11 can not be connected to communicate with the HC-12, they work independently, in pairs.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc72f557297024881bccfa6cb9b0ff9aaU.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv\u003eHere are several of the antenna connection can be selected.\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S891298134e604e08b748f26062dfc79bm.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S140d6e26d49140499d860d5d48fcfc53T.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv\u003eAs shown above, HC-12 module is used instead of the half-duplex communication physical connection to the left of the serial device sends data to the module, the module receives the left RXD port serial data, the data is automatically sent by way of radio waves into the air. The right of the module can automatically receive and restore the left side of the device was originally issued by the serial data from the TXD. From right to left is the same.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eHC-12 module has three serial pass-through mode, using FU1, FU2 and FU3 said. When used, the various models are just to send and receive serial data, wireless transmission portion of the air tube. The default work under FU3 full mode, which automatically adjusts air baud serial port baud rate according to at low baud communication distances. Different modes can not exchange data, the user can select the optimal mode according to the actual situation.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eWhen using generally do not limit the number of bytes to a continuous serial transmission module. However, in view of factors such as environmental disturbance, when a large amount of data sent continuously, there may be missing some bytes. So, the PC is best to have the response and retransmission mechanisms to avoid loss of information.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eAT command set:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eModule parameters, AT command set\u003c\/div\u003e\n\u003cdiv\u003eAT command is used to set the parameters of the function module and switching modules need to exit the setting mode after setting to take effect. Meanwhile, modify the parameters and functions, power-down is not lost.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e(1), enter the command mode of\u003c\/div\u003e\n\u003cdiv\u003eThe first entry mode - normal use (has the power) in the first 5-pin \"SET\" is set low;\u003c\/div\u003e\n\u003cdiv\u003eThe second mode of entry - power, 5th pin \"SET\" again first set low on power.\u003c\/div\u003e\n\u003cdiv\u003eBoth methods can make the module into AT command mode, release (\"SET\" pin is not connected low) to exit command mode. After the exit command mode, if you change the module function, the function will be cut to the appropriate state.\u003c\/div\u003e\n\u003cdiv\u003eThe second way is fixed in serial format 9600, N, 1 into the AT.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e(2) Instructions\u003c\/div\u003e\n\u003cdiv\u003e1. AT\u003c\/div\u003e\n\u003cdiv\u003eTest instructions\u003c\/div\u003e\n\u003cdiv\u003eExample:\u003c\/div\u003e\n\u003cdiv\u003eSend module commands \"AT\", the module returns \"OK\".\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e2. AT + Bxxxx\u003c\/div\u003e\n\u003cdiv\u003eChange the serial port baud rate command. You can set the baud rate is 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps and 115200bps. The factory default is 9600bps.\u003c\/div\u003e\n\u003cdiv\u003eExample:\u003c\/div\u003e\n\u003cdiv\u003eSet the module serial port baud rate is 19200bps, please send module command \"AT + B19200\", the module returns\u003c\/div\u003e\n\u003cdiv\u003e\"OK + B19200\".\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e3. AT + Cxxx\u003c\/div\u003e\n\u003cdiv\u003eChange the wireless communication channel, selectable from 001 to 127 (more than 100 radio channels after the communication distance not guaranteed). The default value is 001 radio channels, operating frequency is 433.4MHz. Step channel is 400KHz, the operating frequency of the channel 100 is 473.0 MHz.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eExample:\u003c\/div\u003e\n\u003cdiv\u003eSet module to channel 21, please send module command \"AT + C021\", the module returns \"OK + C021\".\u003c\/div\u003e\n\u003cdiv\u003eAfter exiting the command mode, the module in the first 21 channels, operating frequency is 441.4 MHz.\u003c\/div\u003e\n\u003cdiv\u003eNote: Because the wireless receiver module sensitivity HC-12 is relatively high, the baud rate is greater than when air 58000 bps, 5 must be shifted to the adjacent channel use. When the air baud rate is not greater than 58000 bps, if the short distance (10 meters) communication, but also need to stagger five adjacent channel use.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e4. AT + FUx\u003c\/div\u003e\n\u003cdiv\u003eChange the module serial pass-through mode, there FU1, FU2 and FU3 three modes. Module default mode is FU3, two serial pass-through mode module must be set to the same communication. See detailed above, \"wireless serial pass-through\" part.\u003c\/div\u003e\n\u003cdiv\u003eExample:\u003c\/div\u003e\n\u003cdiv\u003eSend module commands \"AT + FU1\", the module returns \"AT + OK\".\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"line-height:15.75pt;margin-bottom:0pt;margin-top:0pt\"\u003e6. AT + Px\u003c\/p\u003e\n\u003cp style=\"line-height:15.75pt;margin-bottom:0pt;margin-top:0pt\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfdb07d3a22e64231a83c26d20d21aa59Q.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe default setting is 8, maximum transmit power, communication distances. Transmit power level is set to 1, the minimum transmission power. In general, the transmission power of each drop 6dB, communication distance will be reduced by half.\u003c\/div\u003e\n\u003cdiv\u003eExample:\u003c\/div\u003e\n\u003cdiv\u003eSend module commands \"AT + P 5\", the module returns \"OK + P5\". After exiting the command mode, the module transmit power is +11 dBm.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"STM8S003FP6","offer_id":55377119117611,"sku":"14:94#STM8S003FP6","price":13.59,"currency_code":"USD","in_stock":true},{"title":"5PCS STM8S003FP6","offer_id":55377119150379,"sku":"14:173#5PCS STM8S003FP6","price":75.24,"currency_code":"USD","in_stock":true},{"title":"10PCS STM8S003FP6","offer_id":55377119183147,"sku":"14:175#10PCS STM8S003FP6","price":109.98,"currency_code":"USD","in_stock":true},{"title":"STM8S003FU6","offer_id":55377119215915,"sku":"14:193#STM8S003FU6","price":19.62,"currency_code":"USD","in_stock":true},{"title":"5PCS STM8S003FU6","offer_id":55377119248683,"sku":"14:366#5PCS STM8S003FU6","price":68.63,"currency_code":"USD","in_stock":true},{"title":"10PCS STM8S003FU6","offer_id":55377119281451,"sku":"14:496#10PCS STM8S003FU6","price":109.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S0dc0e68b66ee4846b8412ba827e6cb2fh.webp?v=1788332823"},{"product_id":"1-2-5pcs-tzt-433mhz-hc-12-si4463-4438-wireless-serial-port-module-1000m-replace-bluetooth-new","title":"1\/2\/5pcs TZT 433Mhz HC-12 SI4463\/4438 Wireless Serial Port Module 1000m Replace Bluetooth NEW","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTZT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic products\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eFor Arduino STM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-40-+85\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIY KIT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv 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data-src=\"https:\/\/ae01.alicdn.com\/kf\/S6b12fe75478f4dd6aef1aa560b29d6ceL.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7e40e84056d449a1b08b3d9d0a1d1b32c.jpg\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S7e40e84056d449a1b08b3d9d0a1d1b32c.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"STM8S003F3U6 \/ 2pcs","offer_id":55377119346987,"sku":"14:4044226#STM8S003F3U6;3:1981284404#2pcs","price":12.47,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3U6 \/ 1pcs","offer_id":55377119379755,"sku":"14:4044226#STM8S003F3U6;3:201010228#1pcs","price":6.98,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3U6 \/ 5pcs","offer_id":55377119412523,"sku":"14:4044226#STM8S003F3U6;3:18247432443#5pcs","price":29.3,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6 \/ 1pcs","offer_id":55377119445291,"sku":"14:351074#STM8S003F3P6;3:201010228#1pcs","price":6.98,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6 \/ 5pcs","offer_id":55377119478059,"sku":"14:351074#STM8S003F3P6;3:18247432443#5pcs","price":29.3,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6 \/ 2pcs","offer_id":55377119510827,"sku":"14:351074#STM8S003F3P6;3:1981284404#2pcs","price":12.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sbb22d8fb3d62435988a63ccd9ca11d5aY_8061355b-1b79-4752-afe7-3137e687b83b.webp?v=1788332823"},{"product_id":"hc-12-si4438-4463-si4463-433mhz-wireless-serial-port-module-1000m-1","title":" HC-12 SI4438\/4463 SI4463 433Mhz Wireless Serial Port Module 1000m ","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\/A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\/A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\/A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cstrong\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eLong communication distance（About 500 meters at default setting）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eOperating frequency range（433.4—473.0MHz）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eTransmit power（max: 20dBm）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003ePower supply voltage（DC 3.2V ~5.5V）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eProduct introduction\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eHC-12 wireless RF UART communication module is a new generation of multi channel\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eembedded wireless data transmission module. Radio frequency of 433.4 - 473.0MHz, can be\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003esetting communication channel, step is 400kHz, a total of 100 channel. The module maximum\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003etransmit power is 100mW (20dBm), and -116dBm receiver sensitivity air of the 5000bps baud\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003erate, communication distance about 500 meters.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9bb27f330556468da0858b3e9c1fc2dfz.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se5768539e95d46eca5da6c8a9d44ce17m.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3ce076672d73420c83e39ead038899c9l.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7cc7fd952fdb4507b69125b9ebd8764cw.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sec3f671515d74cc2973d641eac23bad2U.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se397f99e3d574caeac5ebeb5891508ce4.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S535ad343e2f84083b65cf9ee6cdbc700e.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S63abb867b928443681594de52c17f58fa.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"SOP","offer_id":55377120166187,"sku":"14:10#SOP","price":10.71,"currency_code":"USD","in_stock":true},{"title":"QFN","offer_id":55377120198955,"sku":"14:29#QFN","price":11.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S63abb867b928443681594de52c17f58fa_8d10db08-a91d-4aa0-b84f-40aeda0e893e.webp?v=1788332823"},{"product_id":"hc-12-v4-0-si4438-wireless-serial-communication-module-multi-channel-embedded-wireless-data-transmission-module-433-4-483-8-mhz","title":"HC-12 V4.0 SI4438 Wireless Serial Communication Module Multi-channel Embedded Wireless Data Transmission Module 433.4-483.8 MHz","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIY NOW\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCommunication Distance\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1 km (Mode FU4); Half-duplex; 1200-115200 bps\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCommunication Interface\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUART (3.3V-5V TTL Level)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCommunication Interface\/Level\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUART (3.3V\/5V TTL Level)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCommunication Voltage Level\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.3V \/ 5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eData Transmission Module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Communication Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 (SMD Version V4.0)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Current (Max)\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e100 mA (at full power)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Frequency Band\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e433.4-484.0 MHz (254 channels total)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Humidity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e10%-90%\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-40 to +85℃\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.0-5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSOP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eQuantity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRF Chip Solution\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSi4438; supports external 433MHz antenna\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eReference Distance\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1000 m\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.0-5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTransmission Rate\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e4-5 KB\/s\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTransmit Power (Max)\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e100 mW (20 dBm)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cbr\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000018952037\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S833d086d63d64fef879df709d1fd25453.png\" slate-data-type=\"image\"\u003e\u003cbr\u003eProduct Features:\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e1. Long-range wireless transmission: Features an air baud rate of 500bps and supports a communication distance of up to 1000 meters in open environments.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e2. Operating frequency range: 433.4–483.8 MHz, offering up to 254 communication channels.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e3. Maximum transmit power: 100 mW (20 dBm), with 8 adjustable power levels.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e4. Four operating modes: Adaptable to various application scenarios.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e5. Built-in MCU: Communicates with external devices via a serial port.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eProduct Applications: Wireless sensors, residential and building security systems, wireless robot control, industrial remote control, telemetry, automated data acquisition, container information management, POS systems, wireless gas meter data collection, vehicle keyless entry systems, and PC wireless networking.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eThe module utilizes a stamp-hole package design, allowing for surface-mount soldering. With dimensions of 27.4 mm × 13.2 mm (excluding the spring antenna), it is highly convenient for customers to embed directly into their application systems. The module features an onboard PCB antenna connector (ANT1), enabling users to connect an external antenna via a coaxial cable. Depending on the selected communication channel, users can utilize either the 433 MHz band (suitable for 433.4–450 MHz) or the 470 MHz band (suitable for 450–483.8 MHz). Additionally, the module includes a dedicated soldering hole for a spring antenna (ANT2), providing a convenient option for users who prefer this antenna type. Users may select the antenna best suited to their specific application requirements.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eThe module contains an internal MCU, eliminating the need for users to perform additional programming on the module itself; in its various transparent transmission modes, users simply need to handle the sending and receiving of serial data, ensuring ease of use. The module supports multiple serial transparent transmission modes, which users can select and configure using AT commands based on their operational needs.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eIn their idle states, the average operating currents for the four modes—FU1, FU2, FU3, and FU4—are approximately 3.3 mA, 85 µA, 16.5 mA, and 16.5 mA, respectively. The maximum operating current is approximately 120 mA (occurring during full-power transmission). Product Specifications:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eModel: HC-12 (SMD Version V4.0)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Interface: UART (3.3V–5V TTL Level)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Voltage Level: 3.3V \/ 5V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eOperating Humidity: 10% – 90%\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eRF Chip Solution: Si4438 (External 433MHz antenna required)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eTransmission Rate: 4 – 5 KB\/s\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Distance: 1 km (in FU4 mode); Half-duplex; 1200 – 115200 bps\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eOperating Voltage: 3.0 – 5.5V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eCommunication Interface\/Level: UART (3.3V \/ 5V TTL Level)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eOperating Frequency Band: 433.4 – 484.0 MHz (Total of 254 channels)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eTransmit Power (Max): 100 mW (20 dBm)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eIdle Current (Across 4 Modes): FU1: 3.3 mA; FU2: 85 μA; FU3: 16.5 mA; FU4: 16.5 mA\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eOperating Current (Max): 100 mA (at full power)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eOperating Temperature: -40°C to +85°C\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eReference Distance: 1000 m\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eModule Dimensions: 27.4 × 13.2 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eFeatures built-in firmware and automatic connection upon power-up. Note: A minimum of two modules is required to establish an interconnection.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eProduct List:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e1 × Module\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e1 × Spring Antenna\u003cbr\u003e\u003c\/span\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S618d44354ca34263ad425c5ca26a3245L.png\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sda015be5ff5e428dbf431ff1f7754094i.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9d143f8af0ac4ff98d1a4f00c61814b55.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3f342693365548b0b0de96c4638eb5b1F.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sad1e247c8a3d48adab4eaaeda70a4aa9u.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sad61b6fa3eab49a78181c3b252bac51cl.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9fb57ce40ef24a91b48e237c1f8cbeccX.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S747e511a6a5a410a9bf3e9a860ad1db5O.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7751ba5905454b71b1ee4ae77d1db11cg.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S351d89bb00a7452083762fb529a585aaQ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5a3fa53813f14ee09b6360ce5a8d8c4fe.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4bde7ea1e7f84fbca6d5f499c7ccf526m.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9e91e95b215146b5a249a9b2a825d7f4Q.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sbb385922f1b041719c8c9c7d06ef5e08V.jpg\" slate-data-type=\"image\"\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HC-12 V4.0","offer_id":55377120330027,"sku":"14:1202#HC-12 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wireless 433 serial port module 433MHz wireless 433m transceiver data transmission module wireless module network","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSNVI\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se1b810c85545482da7b17fb9f4eb794cX.jpg\" slate-data-type=\"image\"\u003e\u003cimg 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style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCompatible Audio \u0026amp; Video Equipment Style\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAmplifier\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 1\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSerial Communication Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 2\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSI4438 RF Transceiver UART 433MHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 3\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003efor Industrial Automation\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 4\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSerial Data Transmission Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 5\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC12\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eIR\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv data-v-395cbb76=\"\" id=\"title\" style=\"width: 100%; text-align: center; height: 30px;\"\u003e\u003cspan style=\"font-weight: bold; font-size: 16px;\"\u003eHC-12 1000M Long Range Wireless Serial Communication Module SI4438 RF Transceiver UART 433Mhz For Industrial Automation\u003c\/span\u003e\u003c\/div\u003e\u003ch3 style='white-space:normal;font-family:\"'\u003e\n\t\u003cimg height=\"50\" width=\"1000\" src=\"http:\/\/ae01.alicdn.com\/kf\/H2ca76d8a082a405c997a21e7ebf284c2f.jpg\" title=\"\" alt=\"\"\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\n\t  \n\u003c\/p\u003e\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\n\t\u003cbr\u003e\n\u003c\/p\u003e\n\u003cdiv style=\"font-size:16px;\"\u003e\n\t\u003cdiv\u003eThe HC-12 wireless serial communication module offers up to 1000m stable communication distance (open space), ideal for long-distance data transmission in industrial environments, agricultural monitoring, and remote control systems\u003cbr\u003e\u003cbr\u003eBuilt around the SI4438 high‑performance RF transceiver, this module provides reliable 433MHz wireless communication with strong anti‑interference capability and low bit error rate, ensuring stable and consistent data links\u003cbr\u003eSupports standard UART serial communication, 3.3V\/5V TTL level microcontrollers such other development boards\u003cbr\u003eEasy to integrate into existing serial communication systems\u003cbr\u003eMultiple configurable channels and baud rates to adapt to different application requirements\u003cbr\u003eUsers can set parameters via AT commands for flexible deployment and interference avoidance in multi‑device environments\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSpecifications\u003cbr\u003eDue to different batches, there may be differences in product appearance and printed text, which will not affect use\u003cbr\u003eColor: Red\u003cbr\u003eMaterial: PCB\u003cbr\u003e\u003cbr\u003ePackage Contents:\u003cbr\u003e1*HC-12 Wireless Serial Communication Module\u003cbr\u003e\u003cbr\u003eOnly the above package content, other products are not included.\u003cbr\u003eNote: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. 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src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1ouYJauGSBuNjSspbq6AiipXa2.jpg?size=172304height=1052\u0026amp;width=677\u0026amp;hash=073a26b4b989839b099fc4c522ed8089\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e \n\u003c\/div\u003e\n\u003cdiv style=\"width:100%;height:100%\"\u003e\n \u003cdiv id=\"description\"\u003e\n  \u003cdiv class=\"ui-box-body\"\u003e\n   \u003cdiv\u003e\n    \u003cspan style=\"font-size:16px\"\u003e1. Supply voltage 3.2V - 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003cbr\u003e2. Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003cbr\u003e3. The default idle current: 16MA (modules in different operating current of the different operating modes).\u003cbr\u003e4. Operating frequency range: 433-473.0MHz, up to 100 communication channels. Maximum 100mW transmit power (can be set)\u003cbr\u003e5. The module supports software upgrades. 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slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S70ac7a5a80134b9fa0a64e7235bf5d6bP.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd9b91ceddb2c423f9bfac06cabf75457k.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n   \u003c\/table\u003e\n   \u003cbr\u003e\n  \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg title=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB13WQzXrZnBKNjSZFhq6A.oXXaK.jpg?size=172304\u0026amp;height=1052\u0026amp;width=677\u0026amp;hash=073a26b4b989839b099fc4c522ed8089\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB13roHXBjTBKNjSZFuq6z0HFXaf.jpg?size=172304\u0026amp;height=1052\u0026amp;width=677\u0026amp;hash=073a26b4b989839b099fc4c522ed8089\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Blue","offer_id":55377124032811,"sku":"14:173#Blue","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S797de976940445e995064d3429a3e9769.webp?v=1788332829"},{"product_id":"lizao-hc-12-si4463-433mhz-wireless-serial-module-1000m-communication-serial-alternative-for-bluetooth-home-iot-automation","title":"LIZAO HC-12 SI4463 433MHz Wireless Serial Module, 1000m Communication, Serial Alternative for Bluetooth Home IoT Automation","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNoEnName_Null\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.2-5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.2-5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-12 SI4463 433MHz Wireless Serial Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style=\"margin:0px auto;\"\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6e3a245a12b7435f95aaa9b946470a0dv.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S6e3a245a12b7435f95aaa9b946470a0dv.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S63c78ad7b2394ab692aa3ffe033ad3a76.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S63c78ad7b2394ab692aa3ffe033ad3a76.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1b844a631a8043d5a418825cc01fd5fd8.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S1b844a631a8043d5a418825cc01fd5fd8.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5a46465c155a408d9bc9f0e152bf2714L.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S5a46465c155a408d9bc9f0e152bf2714L.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc2be5b3b25814a1f83efce3ab1b99a8dd.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sc2be5b3b25814a1f83efce3ab1b99a8dd.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e0f7592038b4c01933c8373672ae4b0G.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S0e0f7592038b4c01933c8373672ae4b0G.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S14d3fa6d8baa4f9d8a00b2a07225db70m.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S14d3fa6d8baa4f9d8a00b2a07225db70m.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5ce0e831873a4fdebd2ee2fd1ee4dd06h.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S5ce0e831873a4fdebd2ee2fd1ee4dd06h.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px;\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S944b6adf2e12454e9ff42b241a167f6bl.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S944b6adf2e12454e9ff42b241a167f6bl.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e \u003cbr\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"STM8S003F3U6","offer_id":55377123967275,"sku":"14:175#STM8S003F3U6","price":8.1,"currency_code":"USD","in_stock":true},{"title":"STM8S003F3P6","offer_id":55377124000043,"sku":"14:1202#STM8S003F3P6","price":8.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sdd69db3cce0d43d0b91502f600b66de0r.webp?v=1788332829"},{"product_id":"estardyn-hc-12-433mhz-wireless-serial-port-module-1000m-long-range-si4438-chip-with-antenna-for-rc-drone","title":"Estardyn HC-12 433MHz Wireless Serial Port Module, 1000m Long Range SI4438 Chip with Antenna for RC Drone","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEstardyn\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 style='font-family:\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);margin:0px 0px 8px;padding:0px;box-sizing:border-box;padding:0px;margin:0px 0px 8px;\"'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003cbr\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003cbr\u003e\u003cbr\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003cbr\u003e\u003cbr\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003cbr\u003e\u003cbr\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003cbr\u003e\u003cbr\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003cbr\u003e\u003cbr\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003cbr\u003e\u003cbr\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8a9feb409fba4116be17471452857d10N.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8ce57c48c5a44e23a7c878d400c981fcn.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc892a76fe7384686b7b0f0fdce5b12c1I.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55377126687019,"sku":"\u003cnone\u003e","price":12.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sb7d07f4951cd412aa9f99f3f18044670R.webp?v=1788332834"},{"product_id":"10pcs-hc-49s-4m-6-8-10-12-16-20-24-25-26-30-32-40-48-50-64mhz-direct-plug-passive-quartz-crystal-resonator-dip-2-20pf-10ppm","title":"(10PCS) HC-49S 4M 6\/8\/10\/12\/16\/20\/24\/25\/26\/30\/32\/40\/48\/50\/64MHZ Direct Plug Passive Quartz Crystal Resonator DIP-2 20PF 10PPM","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCMOSECB\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e10PPM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC-49S\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-40+80℃\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e20PF\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eThis Product Is A Full Series Of DIP-2 Direct Plug Passive Crystal Resonator HC-49S 20PF 10PPM\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eDimensions:11.5x4.5x3.6MM(±0.2MM)\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eNominal Frequency Range : 3.2768～32MHz\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eVibration Mode : AT Fundamental\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eLoad Capacitance : 12pF,20pF,or specify\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eFrequency Tolerance(at25℃) : ±10ppm,±20ppm,or specify\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eFrequency Versus Temperature Characteristics : ±20ppm,or specify\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eOperating Temperature : -20~+70℃,-40~+85℃,or specify\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eStorage Temperature : -40 ～+85℃\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eShunt Capacitance : 7pF Max\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eLevel of Drive : 1~500μW Max(100μW typical)\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003eAging(at 25℃) : ±3ppm\/year Max\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd1211dbfc9ed4c45883fd3cbffa888c9V.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb842767439d643fe8e4fee5826d649bdG.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp style='font-family:\"Open Sans\", sans-serif;font-size:medium;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb5a314e40fd14a8896ac49ce0b6f405e5.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S22ff0cf92c27477f9f1e5bb72f7348ffy.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sa7af7d5071d243529cc1de9b89733499E.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S9ae14e508f374feb92fb81fefc4097c1G.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb4da4a4faed54467b71e145bd727c95c2.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S259e593efd6e412dac562635e476bbbcH.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2c8e44a8170f41a3875da905e4111068f.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S968fa272208840de968980af0fa1e229J.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S55e6303acd83425689ad18e33238b799A.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S13bbdbf78ca34ce78462b89a3de68397a.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S032eef9e1cf4473390352823c4de563dZ.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HC-49S-54.000MHz","offer_id":55377126818091,"sku":"14:350853#HC-49S-54.000MHz","price":6.57,"currency_code":"USD","in_stock":true},{"title":"HC-49S-64.000MHz","offer_id":55377126850859,"sku":"14:203008818#HC-49S-64.000MHz","price":6.57,"currency_code":"USD","in_stock":true},{"title":"HC-49S-30.000MHz","offer_id":55377126883627,"sku":"14:351074#HC-49S-30.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-32.000MHz","offer_id":55377126916395,"sku":"14:4044226#HC-49S-32.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-26.000MHz","offer_id":55377126949163,"sku":"14:1202#HC-49S-26.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-27.000MHz","offer_id":55377126981931,"sku":"14:350852#HC-49S-27.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-48.000MHz","offer_id":55377127014699,"sku":"14:200004891#HC-49S-48.000MHz","price":6.57,"currency_code":"USD","in_stock":true},{"title":"HC-49S-50.000MHz","offer_id":55377127047467,"sku":"14:200003699#HC-49S-50.000MHz","price":6.57,"currency_code":"USD","in_stock":true},{"title":"HC-49S-33.000MHz","offer_id":55377127080235,"sku":"14:94#HC-49S-33.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-40.000MHz","offer_id":55377127113003,"sku":"14:200004889#HC-49S-40.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-15.000MHz","offer_id":55377127145771,"sku":"14:10#HC-49S-15.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-16.000MHz","offer_id":55377127178539,"sku":"14:201659813#HC-49S-16.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-13.000MHz","offer_id":55377127211307,"sku":"14:173#HC-49S-13.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-14.000MHz","offer_id":55377127244075,"sku":"14:29#HC-49S-14.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-24.000MHz","offer_id":55377127276843,"sku":"14:175#HC-49S-24.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-25.000MHz","offer_id":55377127309611,"sku":"14:200001438#HC-49S-25.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-18.000MHz","offer_id":55377127342379,"sku":"14:691#HC-49S-18.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-20.000MHz","offer_id":55377127375147,"sku":"14:200004890#HC-49S-20.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-6.000MHz","offer_id":55377127407915,"sku":"14:1052#HC-49S-6.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-8.000MHz","offer_id":55377127440683,"sku":"14:496#HC-49S-8.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-4.000MHz","offer_id":55377127473451,"sku":"14:1254#HC-49S-4.000MHz","price":4.01,"currency_code":"USD","in_stock":true},{"title":"HC-49S-5.000MHz","offer_id":55377127506219,"sku":"14:771#HC-49S-5.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-11.000MHz","offer_id":55377127538987,"sku":"14:350850#HC-49S-11.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-12.000MHz","offer_id":55377127571755,"sku":"14:365458#HC-49S-12.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-9.000MHz","offer_id":55377127604523,"sku":"14:366#HC-49S-9.000MHz","price":5.81,"currency_code":"USD","in_stock":true},{"title":"HC-49S-10.000MHz","offer_id":55377127637291,"sku":"14:193#HC-49S-10.000MHz","price":5.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S22ff0cf92c27477f9f1e5bb72f7348ffy.webp?v=1788332835"},{"product_id":"hc-12-si4438-4463-si4463-433mhz-wireless-serial-port-module-1000m-replace-bluetooth-compatible","title":"HC-12 SI4438\/4463 SI4463 433Mhz Wireless Serial Port Module 1000m Replace Bluetooth-compatible","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eICGOICIC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\/A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\/A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\/A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cstrong\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eLong communication distance（About 500 meters at default setting）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eOperating frequency range（433.4—473.0MHz）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eTransmit power（max: 20dBm）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003ePower supply voltage（DC 3.2V ~5.5V）\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eProduct introduction\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eHC-12 wireless RF UART communication module is a new generation of multi channel\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003eembedded wireless data transmission module. Radio frequency of 433.4 - 473.0MHz, can be\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003esetting communication channel, step is 400kHz, a total of 100 channel. The module maximum\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003etransmit power is 100mW (20dBm), and -116dBm receiver sensitivity air of the 5000bps baud\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cspan style='font-size:14pt;font-family:\"times new roman\", times, serif'\u003erate, communication distance about 500 meters.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0b26c109638d43c6b66656d9a1c2c68cY.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S79ee315ab9fe4c3d8f1725a93c5770a5n.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.75\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S42e03759a9a54f36931db6d442776757N.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S981c2b6f38a14e099f67a8a48159f312J.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S189f93d32d05434d9b47667510b6966d6.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6dffd3e6b6b5465f865e6d556cac19aaP.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"SOP","offer_id":55377128292651,"sku":"14:10#SOP","price":11.88,"currency_code":"USD","in_stock":true},{"title":"QFN","offer_id":55377128325419,"sku":"14:29#QFN","price":11.88,"currency_code":"USD","in_stock":true},{"title":"QFN 10PCS","offer_id":55377128358187,"sku":"14:193#QFN 10PCS","price":114.08,"currency_code":"USD","in_stock":true},{"title":"SOP 10PCS","offer_id":55377128390955,"sku":"14:175#SOP 10PCS","price":110.12,"currency_code":"USD","in_stock":true},{"title":"QFN 5PCS","offer_id":55377128423723,"sku":"14:173#QFN 5PCS","price":73.49,"currency_code":"USD","in_stock":true},{"title":"SOP 5PCS","offer_id":55377128456491,"sku":"14:94#SOP 5PCS","price":73.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S3ae30c9282cb4fecb370a393989a9e7dJ.webp?v=1788332836"},{"product_id":"hc-12-si4438-long-range-433-484mhz-wireless-microcontroller-serial-data-bluetooth-module-1000m-to-distance","title":"HC-12 SI4438 Long-Range 433-484MHz Wireless Microcontroller Serial Data Bluetooth Module 1000M To Distance","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGaqqee\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Communication Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e0-50C\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eQuantity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.3V\/5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWireless Serial Communication Module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003emodule contains MCU\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003edropshipper\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003esupport\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ehc 12 module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ehc 12 433mhz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ehc-12\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ecan communication module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ewholesale\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003esupport\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000029549210\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S257e912fe28a4de8bbefea576fbfba92u.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003eProduct Features:\u003cbr\u003e1. Long distance wireless transmission, with an airborne baud rate of 500bps, supporting a communication distance of 1000 meters in open areas\u003cbr\u003e2. Operating frequency range of 433.4-483.8MHz, with up to 254 communication channels\u003cbr\u003e3. Maximum 100mW (20dBm) transmission power (can be set to 8 levels of power)\u003cbr\u003e4. Four working modes to adapt to different application scenarios\u003cbr\u003e5. Built in MCU, communicates with external devices through serial port\u003cbr\u003eProduct Introduction\u003cbr\u003eThe HC-12 wireless serial communication module is a new generation multi-channel embedded wireless data transmission module. The wireless operating frequency band is 433.4-483.8MHz, and multiple channels can be set with a step frequency of 400KHz, for a total of 127 channels. In default mode, the module is\u003cbr\u003eHigh transmission power of 100mW (20dBm), 5000bps airborne baud rate, receiving sensitivity of -116dBm, open area 1000\u003cbr\u003eThe communication distance of meters.\u003cbr\u003eThe module adopts stamp hole packaging method and can be surface mounted and soldered. The module size is 27.4mm × 13.2mm (excluding spring antenna), which is very convenient for customers to embed into the application system. There is a PCB antenna base ANT1 on the module, and users can use coaxial lines to connect external antennas in the 433MHz frequency band (suitable for 433.4MHz-450MHz) or 470MHz frequency band (suitable for 450MHz-483.8MHz) according to the selected communication channel; There are also antenna welding holes ANT2 inside the module,\u003cbr\u003eConvenient for users to weld spring antennas. Users can choose one of the antennas according to their usage requirements.\u003cbr\u003eThe module contains an MCU inside, and users do not need to program the module separately. Various transparent transmission modes only need to send and receive serial data, making it easy to use. The module adopts multiple serial port transparent transmission modes, and users can choose according to their usage requirements using AT commands.\u003cbr\u003eThe average operating currents of the four modes FU1, FU2, FU3, and FU4 in idle state are 3.3mA, 85 μ A, and 16.5mA, respectively\u003cbr\u003eAnd 16.5mA, with a maximum operating current of about 120mA (in full power transmission state).\u003cbr\u003eProduct Parameters:\u003cbr\u003eModel: HC-12 Surface mount V4.0\u003cbr\u003eCommunication interface: UART 3.3V~5V TTL level\u003cbr\u003eCommunication level: 3.3V\/5V level\u003cbr\u003eWorking humidity 10%~90%\u003cbr\u003eRF chip solution: SI4438, external 433MHz antenna\u003cbr\u003eTransmission rate 4-5KB\/s\u003cbr\u003eCommunication distance: 1km\/FU4, half duplex, 1200~115200bp\u003cbr\u003eWorking voltage 3.0~5.5V\u003cbr\u003eCommunication interface\/level: UART 3.3\/5V TTL level\u003cbr\u003eWorking frequency range of 433.4~484.0MHz, with a total of 254 channels\u003cbr\u003eTransmission power (MAX): 100mW (20dBm)\u003cbr\u003eFour idle current modes: FU1:3.3mA, FU2:85 μ A, FU3:16.5mA, FU4:16.5mA,\u003cbr\u003eWorking current (MAX): 100mA (full power)\u003cbr\u003eWorking temperature: -40~+85 ℃\u003cbr\u003eReference distance: 1000m\u003cbr\u003eModule size: 27.4 × 13.2\u003cbr\u003eBuilt in firmware, power on self connection, note that at least 2 modules are required for interconnection.\u003cbr\u003eProduct application:\u003cbr\u003ewireless sensor\u003cbr\u003eResidential building security\u003cbr\u003eRobot wireless control\u003cbr\u003eIndustrial remote control and telemetry\u003cbr\u003eAutomated data collection\u003cbr\u003eContainer Information Management\u003cbr\u003ePOS system\u003cbr\u003eWireless collection of gas meter data\u003cbr\u003eVehicle Keyless Entry System\u003cbr\u003ePC wireless networking\u003cbr\u003eProduct List:\u003cbr\u003e1X module\u003cbr\u003e1X spring antenna\u003c\/div\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S35549d65561f43dcaaf34585ea31d6d0p.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S73cb7213312741f8a305b00d0451223eR.png\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9ce0ffbd6e414afe9c745d275de8a1731.png\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc9b3de0b7eb14f0283f4cb75bd77b6e0r.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7c873eba9337404b991bc3ba7f819693E.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3706fbc007004ec4bc706a8a2c693508n.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf21f1d3e092b439faa7c1e9c789deed1N.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1bb3750a07154731ba03480eceeaca69R.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0f051e34eb4043798cc0715af8ec20d5u.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"red","offer_id":55377128489259,"sku":"14:1202#red","price":16.38,"currency_code":"USD","in_stock":true},{"title":"2pc","offer_id":55377128522027,"sku":"14:350852#2pc","price":26.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S9ce0ffbd6e414afe9c745d275de8a1731.webp?v=1788332836"},{"product_id":"hc-12-si4438-wireless-module-1km-long-distance-433mhz-wireless-serial-port-module-uart-interface","title":"HC-12 SI4438 wireless module 1KM long distance 433MHz wireless serial port module UART interface","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePENGHEKEJI\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S14f5c1971bd64bb3ab192bb367766bffF.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S58b37585201544a39084cf49b2c9824cs.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sacb090f819064f56b5c7449f068ea6afA.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3205c639851c4e468aacccabb21db4be9.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sca90e3c179a74d1e80f792ce46bbac84R.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd01e4c9c90ba4fdca49860b690a5e3d1N.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sdcc1588768834285a365f7e255276b56O.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8f77cefb9333473ea01e39c48fa20777Y.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sa3f7062e3c1f4ffca783d77962bae3ffY.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"HC-12 F3U6","offer_id":55377129472299,"sku":"14:1202#HC-12 F3U6","price":10.58,"currency_code":"USD","in_stock":true},{"title":"HC-12 F3P6","offer_id":55377129505067,"sku":"14:350852#HC-12 F3P6","price":10.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S3205c639851c4e468aacccabb21db4be9.webp?v=1788332838"},{"product_id":"10pcs-1pc-hc-12-si4463-433mhz-wifi-wireless-serial-port-module-hc12-1km-1000m-433mhz-receiving-transmitting-board-tssop-qfn","title":"10pcs\/1pc HC-12 SI4463 433Mhz Wifi Wireless Serial Port Module HC12 1KM 1000m 433MHz Receiving Transmitting Board TSSOP\/QFN","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYour Cee\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003elow\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enormal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTQFP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eQuantity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.2-5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S94f2a3eddd174bee93e555f34574755dB.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg width=\"800\" height=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S029ac5b13e124da9846ac8647609db14K.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg width=\"800\" height=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sde90a92e736346659b0673833514d6b7K.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eSupply voltage 3.2V ~ 5.5V. (If you want to work in the module exceeds launch state for a long time, it is recommended when the supply voltage 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eDefault communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eThe default idle current: 16MA (modules in different operating current of the different operating modes).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eModule Size: 27mm × 13mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eOperating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eThe module supports software upgrades. (We provide customers with software upgrades)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:18px\"\u003eThe default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S780200f819c64fef8635f5795e5a27e4v.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg width=\"800\" height=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4abb6642c1a844ce80463ad729d0f6abR.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eModule Features\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eLong-distance wireless transmission (1,000 meters in open terrain; 500bps baud rate in FU4 mode)\u003cbr\u003eOperating frequency range (433.4–473.0 MHz, up to 100 communication channels)\u003cbr\u003eMAX 100mW (20 dBm) transmit power (with 8 adjustable power levels)\u003cbr\u003eFour working modes, suitable for different application scenarios\u003cbr\u003eBuilt-in MCU communicates with external devices via the serial port.\u003cbr\u003eNo limit on the number of bytes sent per transmission (FU1\/FU3 mode)\u003cbr\u003eThe module supports 1-to-1, 1-to-many, and many-to-many connection passthrough.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e1.2 Module Overview\u003cbr\u003eThe HC-12 wireless serial communication module is a next-generation, multi-channel embedded wireless data-transmission module. The wireless operating frequency band is 433.4 to 473.0 MHz, with multiple channels configurable in 400kHz steps, for a total of 100. The MAX module has a transmit power of 100mW (20 dBm), a receive sensitivity of −116 dBm at an air-interface baud rate of 5,000 bps, and a communication range of 1,000 meters in open terrain.\u003cbr\u003eThe module adopts stamp hole packaging method and can be patch welded. The size of the module is 27.4mm x 13.2mm x 4mm (including antenna cap and excluding spring antenna), which is very convenient for customers to embed into the application system. The module features a PCB‑mounted antenna connector, ANT1, which allows users to connect an external 433 MHz‑band antenna via coaxial cable. Additionally, the module includes an antenna solder pad, ANT2, for conveniently attaching a spring antenna. Users can select one of the antennas based on their application requirements.\u003cbr\u003eThe module integrates an MCU, so users do not need to program it separately. In various transparent‑transmission modes, simply send and receive serial‑port data for convenient operation. The module supports multiple serial‑to‑Ethernet transparent‑transmission modes, which users can select via AT commands according to their application requirements. In the idle state, the average operating currents of the four modes FU1, FU2, FU3, and FU4 are 3.6 mA, 80 μA, 16 mA, and 16 mA, respectively, with a maximum operating current of 100mA (in full-power transmission mode).\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg width=\"800\" height=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S56e065783cb747eba735a26809cb1bc6B.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S95966a870a8147d2a5996f7c4598ea50M.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8c48594add274c86a7662cc5cde6f99fs.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HC-12 Pinhead \/ 10pcs","offer_id":55377130815787,"sku":"14:496#HC-12 Pinhead;3:202097275#10pcs","price":3.6,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Red Modu \/ 10pcs","offer_id":55377130848555,"sku":"14:1202#HC-12 TSSOP Red Modu;3:202097275#10pcs","price":113.81,"currency_code":"USD","in_stock":true},{"title":"HC-12 Pinhead \/ 5pcs","offer_id":55377130881323,"sku":"14:496#HC-12 Pinhead;3:201010228#5pcs","price":3.24,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Red Modu \/ 1pc","offer_id":55377130914091,"sku":"14:1202#HC-12 TSSOP Red Modu;3:18247432443#1pc","price":12.51,"currency_code":"USD","in_stock":true},{"title":"HC-12 Pinhead \/ 2pcs","offer_id":55377130946859,"sku":"14:496#HC-12 Pinhead;3:1981284404#2pcs","price":2.97,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Module \/ 10pcs","offer_id":55377130979627,"sku":"14:1254#HC-12 TSSOP Module;3:202097275#10pcs","price":99.18,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Red Modu \/ 2pcs","offer_id":55377131012395,"sku":"14:1202#HC-12 TSSOP Red Modu;3:1981284404#2pcs","price":22.14,"currency_code":"USD","in_stock":true},{"title":"HC-12 Pinhead \/ 1pc","offer_id":55377131045163,"sku":"14:496#HC-12 Pinhead;3:18247432443#1pc","price":2.93,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN Module \/ 10pcs","offer_id":55377131077931,"sku":"14:771#HC-12 QFN Module;3:202097275#10pcs","price":99.18,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Red Modu \/ 5pcs","offer_id":55377131110699,"sku":"14:1202#HC-12 TSSOP Red Modu;3:201010228#5pcs","price":57.29,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN Module \/ 5pcs","offer_id":55377131143467,"sku":"14:771#HC-12 QFN Module;3:201010228#5pcs","price":48.96,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN Module \/ 2pcs","offer_id":55377131176235,"sku":"14:771#HC-12 QFN Module;3:1981284404#2pcs","price":20.48,"currency_code":"USD","in_stock":true},{"title":"HC-12 QFN Module \/ 1pc","offer_id":55377131209003,"sku":"14:771#HC-12 QFN Module;3:18247432443#1pc","price":9.63,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Module \/ 5pcs","offer_id":55377131241771,"sku":"14:1254#HC-12 TSSOP Module;3:201010228#5pcs","price":48.96,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Module \/ 2pcs","offer_id":55377131274539,"sku":"14:1254#HC-12 TSSOP Module;3:1981284404#2pcs","price":20.48,"currency_code":"USD","in_stock":true},{"title":"HC-12 TSSOP Module \/ 1pc","offer_id":55377131307307,"sku":"14:1254#HC-12 TSSOP Module;3:18247432443#1pc","price":9.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sad692fca07784b32b0e9931523a26e5cX.webp?v=1788332840"},{"product_id":"smartwave-hc-12-433mhz-si4463-wireless-serial-port-module-1000m-replace-bluetooth-hc12-hc-12-433mhz-si4463-wireless-serial-port","title":"Smartwave-HC-12 433Mhz SI4463 Wireless Serial Port Module 1000M Replace Bluetooth HC12，HC-12 433Mhz SI4463 Wireless Serial Port","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCompatible Audio \u0026amp; Video Equipment Style\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAmplifier\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 1\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Port Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 2\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC12 433Mhz SI4463\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 3\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Port\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 4\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 5\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC12 433Mh\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eIR\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cmeta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\"\u003e \u003ctitle\u003e\n\u003c\/title\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"white-space:normal;text-align:center;\"\u003e \u003cspan style=\"color:#E53333;font-size:32px;\"\u003e\u003cspan style=\"font-family:FangSong_GB2312;\"\u003e\u003cstrong\u003eWelcome to our store.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003c\/p\u003e \u003cp style=\"white-space:normal;\"\u003e \u003cspan style=\"font-size:14px;font-family:SimSun;\"\u003e\u003cspan style=\"font-size:16px;font-family:Arial;\"\u003eOur products have affordable prices and good quality. We support\u003c\/span\u003e\u003cspan style=\"color:#E53333;\"\u003e \u003cspan style=\"font-size:16px;font-family:Arial;\"\u003edropshipping\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#E53333;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size:16px;font-family:Arial;\"\u003e and \u003c\/span\u003e\u003cspan style=\"color:#E53333;font-size:16px;font-family:Arial;\"\u003ewholesale\u003c\/span\u003e\u003cspan style=\"font-size:16px;font-family:Arial;\"\u003e. If you want to work with us for a long time, please contact us and we will give you a very favorable price.Best Regards!\u003c\/span\u003e\u003c\/span\u003e \u003c\/p\u003e \u003cp style=\"white-space:normal;\"\u003e \u003cbr\u003e \u003c\/p\u003e \u003cp style=\"white-space:normal;\"\u003e \u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1keiTXljTBKNjSZFNq6ysFXXac.jpg?size=172304\u0026amp;height=1052\u0026amp;width=677\u0026amp;hash=073a26b4b989839b099fc4c522ed8089\" border=\"0\"\u003e \u003c\/p\u003e \u003cp style=\"white-space:normal;\"\u003e \u003cbr\u003e \u003c\/p\u003e \u003cdiv style=\"white-space:normal;font-size:16px;\"\u003e \n \u003cdiv\u003e\n  1. Supply voltage 3.2V - 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\n  \u003cbr\u003e2. Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\n  \u003cbr\u003e3. The default idle current: 16MA (modules in different operating current of the different operating modes).\n  \u003cbr\u003e4. Operating frequency range: 433-473.0MHz, up to 100 communication channels. Maximum 100mW transmit power (can be set)\n  \u003cbr\u003e5. The module supports software upgrades. The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433M).\n  \u003cbr\u003e\n  \u003cbr\u003ecolour:Blue\n  \u003cbr\u003eMaterial:plastic\n  \u003cbr\u003esize:27.8 x 14.4 x 4mm\n  \u003cbr\u003e\n  \u003cbr\u003ePackage Contents:\n  \u003cbr\u003e1 x Wireless Serial Port Module\n  \u003cbr\u003e\n  \u003cbr\u003eOnly the above package content, other products are not included.\n  \u003cbr\u003eNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.\n \u003c\/div\u003e \n\u003c\/div\u003e \u003cp style=\"white-space:normal;\"\u003e \u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1GbI.XNGYBuNjy0Fnq6x5lpXaW.jpg?size=172304\u0026amp;height=1052\u0026amp;width=677\u0026amp;hash=073a26b4b989839b099fc4c522ed8089\" border=\"0\"\u003e \u003c\/p\u003e \u003cp style=\"white-space:normal;\"\u003e \u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"width: 100.0%;\"\u003e\n \u003ctbody\u003e\n  \u003ctr\u003e \n   \u003ctd style=\"margin: 0 auto; text-align: center;\"\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S652e6efbc7504493826fc522b036a9ecC.jpeg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S99a319a425bb45cfa65b1e5dfff0e5332.jpeg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5b31a182c4b64adea041cd68dc1c13a7x.jpeg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S95374b87e23f4a3ab8748cbbb3e83fc2I.jpeg\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n  \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e \u003cp\u003e\u003c\/p\u003e \u003cp\u003e \u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1LJicXEvrK1RjSszfq6xJNVXaA.jpg?size=350304\u0026amp;height=1739\u0026amp;width=1000\u0026amp;hash=599049b519a299ec6a7c3acf68061156\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Blue","offer_id":55377130160427,"sku":"14:771#Blue","price":13.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S652e6efbc7504493826fc522b036a9ecC.webp?v=1788332839"},{"product_id":"ghpyqkc-jdy-31-spp-c-bluetooth-serial-pass-through-module-wireless-serial-communication-from-machine-wireless-sppc-replace-hc-05","title":"GHPYQKC JDY-31 SPP-C Bluetooth serial pass-through module wireless serial communication from machine Wireless SPPC Replace HC-05","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGHPYQKC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eBare SMD chip (No baseboard)：Original patch module, no pin header, directly soldered on customer PCB, minimal occupied space for mass production embedded equipment\u003c\/p\u003e\u003cp\u003e4Pin breakout board：Only lead out core 4 essential pins (VCC, GND, TXD, RXD), simple wiring for basic transparent transmission project\u003c\/p\u003e\u003cp\u003e6Pin breakout board：Full pin version, extra STATE status pin + EN enable pin, support connection detection and module power control\u003c\/p\u003e\u003cp\u003eBreakout board integrates voltage regulator circuit, support wide input 3.6~6V power supply (5V MCU directly power); Chip core voltage is 1.8~3.6V (recommended 3.3V). All versions support AT command to modify Bluetooth name, baud rate, pairing password.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eCore Technical Specifications\u003c\/p\u003e\u003cp\u003eModel: JDY-31\u003c\/p\u003e\u003cp\u003eBluetooth Standard: Bluetooth 3.0 SPP (Classic Bluetooth, NOT BLE)\u003c\/p\u003e\u003cp\u003eWorking Frequency: 2.4GHz ISM band\u003c\/p\u003e\u003cp\u003eOperation Mode: Only Slave (Cannot act as master)\u003c\/p\u003e\u003cp\u003eCore Chip Voltage: DC 1.8V ~ 3.6V (3.3V recommended)\u003c\/p\u003e\u003cp\u003eBreakout Board Input Voltage: DC 3.6V ~ 6V (Support 5V power directly)\u003c\/p\u003e\u003cp\u003eMax Transmission Distance: 30 meters open space\u003c\/p\u003e\u003cp\u003eMax Transmit Power: +8dBm\u003c\/p\u003e\u003cp\u003eReceiving Sensitivity: -97dBm\u003c\/p\u003e\u003cp\u003eSPP Max Throughput: 16KB\/s\u003c\/p\u003e\u003cp\u003eDefault Baud Rate: 9600\u003c\/p\u003e\u003cp\u003eDefault Pair Code: 1234\u003c\/p\u003e\u003cp\u003eCurrent Consumption\u003c\/p\u003e\u003cp\u003eUnconnected broadcast: ~4.7mA\u003c\/p\u003e\u003cp\u003eBluetooth connected: ~7.3mA\u003c\/p\u003e\u003cp\u003eOperating Temperature: -40℃ ~ +80℃\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003ePin Definition Difference\u003c\/p\u003e\u003cp\u003e4Pin Breakout Board\u003c\/p\u003e\u003cp\u003e1.VCC 2.GND 3.TXD 4.RXD\u003c\/p\u003e\u003cp\u003eOnly basic communication pins, STATE \u0026amp; EN not lead out.\u003c\/p\u003e\u003cp\u003e6Pin Breakout Board\u003c\/p\u003e\u003cp\u003e1.STATE | Connection status pin: LOW=disconnected, HIGH=Bluetooth connected\u003c\/p\u003e\u003cp\u003e2.RXD | Module receive pin (connect to MCU TX)\u003c\/p\u003e\u003cp\u003e3.TXD | Module transmit pin (connect to MCU RX)\u003c\/p\u003e\u003cp\u003e4.GND\u003c\/p\u003e\u003cp\u003e5.VCC\u003c\/p\u003e\u003cp\u003e6.EN | Module enable pin: HIGH=work, LOW=sleep disable; default enable if floating\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eKey Features\u003c\/p\u003e\u003cp\u003eThree versions optional: bare patch chip \/ 4pin \/ 6pin breakout, match mass production \u0026amp; maker experiment\u003c\/p\u003e\u003cp\u003eClassic Bluetooth 3.0 SPP, stable compatible with Android \/ Windows (Does NOT support iOS native serial without APP)\u003c\/p\u003e\u003cp\u003eBreakout board built-in LDO regulator, 5V Arduino can power directly\u003c\/p\u003e\u003cp\u003eSupport AT command configuration: device name, baud rate, pair password, restore factory setting\u003c\/p\u003e\u003cp\u003eUp to 30m long-distance wireless transmission, better range than HC-06\u003c\/p\u003e\u003cp\u003eStandard TTL UART signal, directly connect Arduino, STM32, AVR microcontrollers\u003c\/p\u003e\u003cp\u003e6Pin version supports connection status detection and hardware enable control\u003c\/p\u003e\u003cp\u003eLow operating current, suitable for battery-powered wireless control projects\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eApplication Scenarios\u003c\/p\u003e\u003cp\u003eSmart robot car wireless remote control\u003c\/p\u003e\u003cp\u003eArduino \/ STM32 wireless serial data transmission\u003c\/p\u003e\u003cp\u003eSmart home relay switch, wireless sensor data collector\u003c\/p\u003e\u003cp\u003eBluetooth remote controller, electronic DIY experimental equipment\u003c\/p\u003e\u003cp\u003eIndustrial simple wireless monitoring equipment\u003c\/p\u003e\u003cp\u003eStudent electronic competition training accessories\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Chip","offer_id":55377131372843,"sku":"14:1202#Chip","price":9.45,"currency_code":"USD","in_stock":true},{"title":"4P","offer_id":55377131405611,"sku":"14:350852#4P","price":10.26,"currency_code":"USD","in_stock":true},{"title":"6P","offer_id":55377131438379,"sku":"14:351074#6P","price":10.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sfbf66efc01ce4bf4bac364e43311f643X.webp?v=1788332840"},{"product_id":"hc-05-hc-06-master-slave-6pin-4pin-anti-reverse-integrated-bluetooth-serial-pass-through-module-wireless-serial-for-arduino-1","title":"HC-05 HC-06 Master-Slave 6Pin\/4Pin Anti-reverse,Integrated Bluetooth Serial Pass-Through Module,Wireless Serial For Arduino","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMP3\/MP4 Player\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLiludin\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000005460812\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;color:rgb(0, 0, 0);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003ethis module can be set to a transmitter or receiver,transmitter could pairing with receiver,receiver and receiver or transmitter and transmitter can't communication between,receiver could pairing with computers and cell phone bluetooth,when buying,the default for receiver.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003e1. It is HC-05.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003e2. Use the CSR mainstream bluetooth chip,bluetooth V2.0 protocol standards.\u003cbr\u003e 3. Module working voltage 3.3 V.\u003cbr\u003e 4. Potter default rate of 9600,the user can be set up.\u003cbr\u003e 5. The core module size : 28 mm x 15 mm x 2.35 mm.\u003cbr\u003e 6. Working current: matching for 30 MA,matching the communication for 8 MA.\u003cbr\u003e 7. Dormancy current: no dormancy.\u003cbr\u003e 8. Used for GPS navigation system,water and electricity gas meter reading system.\u003cbr\u003e 9. With computer and bluetooth bluetooth adapter,PDA,seamless connection equipment\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;color:rgb(0, 0, 0);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eCommercial Series: Bluetooth module board Series\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eWith LED indicator light,use 150mA and 3.3V regulation chip.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eWith VCC.GND.TXD.RXD foot for the Bluetooth\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eWith \"Re-seach\" button(ON\/OFF\/WAKE foot for it,external MCU outinput \"High level\" can control module to re-seach)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eCompatible with bluetooth master module\".slave module\"or master-slave(whole) module.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eInput voltage: 3.3~6V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eSize: 1.55cm*3.98cm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003einput power supply 3.3~6V,Prohibit more than 7V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003eNo \"Automatically prevent power supply peversing func\",so please correctly connect power supply\u003cbr\u003e We advise to install \"Bluetooth master module\"\u003cbr\u003e The \"State\" is output foot for LED status,when bluetooth \"Unconnected\",output \"Pulse\" ; when bluetooth \"connected\",output \"High level\",we can determine the states from \"MCU\"\u003cbr\u003e If only the board,No any \"Bluetooth Function \"\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;color:rgb(0, 0, 0);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eAllows your device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:none;box-sizing:border-box'\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eWorks with any USB Bluetooth adapters.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eDefault Baud Rate: 9600,8,1,n.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eBuilt in antenna.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eCoverage up to 30ft.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eBluetooth version: V2.0+EDR\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eOperating voltage: 3.3V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eDefault Baud Rate: 9600,8,1,n.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eSignal coverage: 30ft\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eItem size: 4.3 * 1.6 * 0.7cm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eItem weight: 3g\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003ePackage size: 9 * 3 * 1cm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003ePackage weight: 8g\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box'\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:none;box-sizing:border-box\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eCommercial Series: Bluetooth module board Series\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eWith LED indicator light,use 150mA and 3.3V regulation chip.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eWith VCC.GND.TXD.RXD foot for the Bluetooth\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eWith \"Re-seach\" button(ON\/OFF\/WAKE foot for it,external MCU outinput \"High level\" can control module to re-seach)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eCompatible with bluetooth master module\".slave module\"or master-slave(whole) module.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eInput voltage: 3.3~6V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eSize: 1.55cm*3.98cm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height:inherit;border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003e Note:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003einput power supply 3.3~6V,Prohibit more than 7V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"border-bottom:0px;border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(102, 102, 102)\"\u003e\u003cspan\u003eNo \"Automatically prevent power supply peversing func\",so please correctly connect power supply\u003cbr\u003e We advise to install \"Bluetooth master module\"\u003cbr\u003e The \"State\" is output foot for LED status,when bluetooth \"Unconnected\",output \"Pulse\" ; when bluetooth \"connected\",output \"High level\",we can determine the states from \"MCU\"\u003cbr\u003e If only the board,No any \"Bluetooth Function \"\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S79cf5de73a2645458a4b52cde5809d9fW.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4ba7bf10c3f34025b31552e23552b797N.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0c46f34306c94488897a600010810a187.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HC-06(4PIN) \/ 10 Pcs","offer_id":55377131503915,"sku":"14:1202#HC-06(4PIN);3:18247432443#10 Pcs","price":100.4,"currency_code":"USD","in_stock":true},{"title":"HC-06(4PIN) \/ 5 Pcs","offer_id":55377131536683,"sku":"14:1202#HC-06(4PIN);3:1981284404#5 Pcs","price":68.18,"currency_code":"USD","in_stock":true},{"title":"HC-05(6PIN) \/ 5 Pcs","offer_id":55377131569451,"sku":"14:350852#HC-05(6PIN);3:1981284404#5 Pcs","price":67.95,"currency_code":"USD","in_stock":true},{"title":"HC-05(6PIN) \/ 1 Pcs","offer_id":55377131602219,"sku":"14:350852#HC-05(6PIN);3:201010228#1 Pcs","price":10.62,"currency_code":"USD","in_stock":true},{"title":"HC-05(6PIN) \/ 10 Pcs","offer_id":55377131634987,"sku":"14:350852#HC-05(6PIN);3:18247432443#10 Pcs","price":100.13,"currency_code":"USD","in_stock":true},{"title":"HC-06(4PIN) \/ 1 Pcs","offer_id":55377131667755,"sku":"14:1202#HC-06(4PIN);3:201010228#1 Pcs","price":10.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S067cdb055d054b3f92d00470ea8674ecw.webp?v=1788332840"},{"product_id":"hc-05-hc-06-hc-25-hc-09-hc-04-hc-12-hc-08-hc-02-hc-42-wifi-rf-wireless-bluetooth-compatible-ble-master-slave-module-hc05-hc06","title":"HC-05 HC-06 HC-25 HC-09 HC-04 HC-12 HC-08 HC-02 HC-42 WIFI RF Wireless Bluetooth-compatible BLE Master-slave Module HC05 HC06","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEC Buying\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003elow\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHC-05 HC 05 hc-06 HC 06 RF Wireless For Ble\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTransceiver Slave Module RS232 \/ TTL to UART converter and adapter for arduino\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHC-05 HC-06 HC-08 JDY-31 BLE Module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMaster-slave Integrated Wireless Module HC 05 06 08 JDY-30 For Arduino\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHC-05 HC-06 RF Wireless Bluetooth-compatible\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTransceiver Slave Module HC05 \/ HC06 RS232 \/ TTL to UART Converter and Adapter For Arduino\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enormal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSMD BLE2.0 BLE 2.0\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWIFI WI-FI Serial port Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSPP2.1+BLE5.0 SPP2.0+BLE4.0\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSPP 2.0 2.1+BLE 4.0 5.0\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSmart Electronics Experiment\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM32\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBluetooth-compatible\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupport Android Apple\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMaster-Slave ibeacon\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sccdbd1eaca354235a6ed6e3094e21867M.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:36px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eHC-05\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProduct Parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cul style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:none;box-sizing:border-box'\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModel: HC-05\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking frequency band: 2.4G\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication interface: UART3.3VTTL level\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking voltage: 3.0~3.6V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eRSSI support: not supported\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication level: 3.3V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eTransmit power: 4dBm (maximum)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReference distance: 10 meters\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAir speed: 2Mbps\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAntenna interface: built-in PCB antenna\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication current: 15mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReceive sensitivity: -85dBm@2Mbps\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking humidity: 10%-90%\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eStorage temperature: -40 ° C ~ +85 ° C\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking temperature: -25 ° C ~ +75 ° C\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModule size: 27*13mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;text-align:center;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" align=\"center\"\u003e\n\u003cimg style=\"font-size:0px;font-weight:inherit;line-height:inherit;color:transparent;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;width:auto;box-sizing:content-box\" width=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1Rj.8XijrK1RjSsplq6xHmVXaI.jpg\" slate-data-type=\"image\"\u003e \u003cimg style=\"font-size:0px;font-weight:inherit;line-height:inherit;color:transparent;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;width:auto;box-sizing:content-box\" width=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB19wM7XiYrK1Rjy0Fdq6ACvVXah.jpg\" slate-data-type=\"image\"\u003e \u003cimg style=\"font-size:0px;font-weight:inherit;line-height:inherit;color:transparent;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;width:auto;box-sizing:content-box\" width=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB19iQ6Xe6sK1RjSsrbq6xbDXXaf.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModule status indicator output pin, high level output, connect the resistor in series when connecting the LED.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eBefore connecting,\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eFlashes when the host does not record the slave address;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWhen the host records the slave address, it flashes slowly;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eThe slave flashes quickly.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAfter the connection, the LED flashes and stops.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eSet the high KEY pin to power on the module and enter the AT command mode. The baud rate is fixed at 38400.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eLED lights up 1 second every 2 seconds\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eThe module is connected to the indicator output pin, which is a high level output. When connecting the LED, connect the resistor in series.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eBefore the connection, the lamp pin is output at a constant low level. (LED off)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAfter the connection, the lamp pin is always at a high level. (LED lights are always on)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eInput pin, internal pull down. This pin is tied high, the module enters AT command mode, and the host is used to clear the recorded slave address.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;text-align:center;color:rgb(0, 0, 0);box-sizing:content-box' align=\"center\"\u003e\n\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Hc7b2a63bfc4a4a8a998661a4734ffda4N.jpg\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Hb97a0b9c79424433ba27daa5b85a001fQ.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:36px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eHC-06\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProduct Parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cul style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:none;box-sizing:border-box\"\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModel: HC-06\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking frequency band: 2.4G\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication interface: UART 3.3V TTL level\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking voltage: 3.0~3.6V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eRSSI support: not supported\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication level: 3.3V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eTransmit power: 4dBm (maximum)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReference distance: 10m\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAir speed: 2Mbps\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAntenna interface: built-in PCB antenna\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication current: 40mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReceive sensitivity: -85dBm@2Mbps\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking humidity: 10%~90%\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eStorage temperature: -40 °C ~ +85 °C\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking temperature: -25 ° C ~ 75 ° C\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModule size: 27*13mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;line-height:inherit;text-align:center;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box' align=\"center\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/H3a7bcb37966a4aa8a24ded58556d6249c.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/H038f2e74bbd44c8ea350619415301c19V.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;line-height:inherit;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan style=\"font-size:36px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eHC-08\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;line-height:inherit;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"color:rgb(255, 0, 0);font-size:24px\"\u003e\u003cu\u003e\u003cspan\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProduct Parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:none;box-sizing:border-box'\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModel: HC-08\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking frequency band: 2.4G\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication interface: UART3.3VTTL level\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking voltage: 2.0 ~ 3.6v\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eRSSI support: not supported\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication level: 3.3v\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eTransmit power: 4dBm (max)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eTransmission distance: 80 meters\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eEmission current: 31.6mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModule size: 26.9 * 13mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAir speed: 1Mbps\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAntenna interface: built-in PCB antenna\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eSleep current: 0.4uA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReceiver sensitivity: -93dBm @ 1Mbps\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking humidity: 10% to 90%\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eStorage temperature: -40 ℃ ~ 85 ℃\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking temperature: -25 ℃ ~ 75 ℃\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin-left:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReceived current: 15.8mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cu\u003e\u003cspan\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProduct Size\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;box-sizing:content-box\" align=\"center\"\u003e\u003cimg style=\"max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1x9MIRpXXXXcnXVXXq6xXFXXXM.jpg?size=26459\u0026amp;height=308\u0026amp;width=780\u0026amp;hash=2db4dbdf04a0f6ac6a2152d85cc52e80\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cu\u003e\u003cspan\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin definition\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;box-sizing:content-box\" align=\"center\"\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cimg style=\"max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1i47LRpXXXXcHXVXXq6xXFXXXX.jpg?size=27574\u0026amp;height=287\u0026amp;width=732\u0026amp;hash=e8a37701eec40d48a4f0e8920c815b96\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cimg style=\"max-width:100%;box-sizing:border-box\" width=\"700\" height=\"800\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1J8gYRpXXXXayXFXXq6xXFXXXo.jpg?size=79154\u0026amp;height=719\u0026amp;width=594\u0026amp;hash=72207585cf6fad411cb037a0cea23df7\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;text-align:left;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\" align=\"left\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cu\u003e\u003cspan\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReference schematic\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cimg style=\"max-width:100%;box-sizing:border-box\" width=\"600\" height=\"900\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB14yoPRpXXXXXmXVXXq6xXFXXXg.jpg?size=28688\u0026amp;height=678\u0026amp;width=473\u0026amp;hash=8f53952c00ecafe5af46bcb57e97c9c3\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cu\u003e\u003cspan\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePrecautions:\u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e1. Module is sensitive to static electricity, please reduce the touch to the module chip parts, so as to avoid loss of procedures\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e2. Module antenna part of the following can not be deposited copper, can not be traced, otherwise it will affect the signal,\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e3. Suggest that the antenna part of the floor hollowed out, the antenna as close as possible to the edge of the board, or insert the way\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e4. Module power loss memory, parameters and matching information will not be lost, so if you want to connect a new device, please clear the module pairing memory.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/H94da2d168a9c4026a594f98e6192b876j.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/He06cbc3b66a74185a02aacc8fc9ae4d35.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan style=\"font-size:36px\"\u003e\u003cspan\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eJDY-31 Chip\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style='font-size:26px;font-family:\"times new roman\", times, serif'\u003eProduct Features:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eJDY-31 Bluetooth-compatible is based on Bluetooth-compatible 3.0 SPP design, which can support Windows, Linux, for android data transmission, working frequency 2.4GHZ, modulation mode GFSK, maximum transmission power 8db, maximum transmission distance 30 meters, support users to modify device name through AT command The baud rate and other instructions are convenient and quick to use. This Bluetooth-compatible module can only be used as a Bluetooth-compatible slave.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eScope of application:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eJDY-31 is a classic BBluetooth-compatible protocol that can communicate with Bluetooth-compatible-enabled computers (desktops, notebooks) and mobile phones (for android). Can be applied\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e◆ Windows computer Bluetooth-compatible serial port transparent transmission\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e◆ for Android Bluetooth-compatible serial port transparent transmission\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e◆ Smart home control\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e◆ Automotive ODB testing equipment\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e◆ Bluetooth-compatible toy\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e◆ Share mobile power, share weight\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e◆ Medical equipment\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProduct parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eModel: JDY-31\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eBluetooth-compatible version: Bluetooth-compatible 3.0 SPP\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking frequency band: 2. 4GHZ\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCommunication interface: UART\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eSTM connection temperature: \u0026lt;260 degree\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eOperating voltage: 1.8-3.6V (3.3v recommended)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eOperating current not connected: 4. 7mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking temperature: -40~80 degree\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCurrent after BLE connection: 7.3mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAntenna: Built-in PCB antenna\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eTransmit power: 8db (Max)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eHigh transmission distance: 30 meters\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eReceive sensitivity: -97dbm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eMaster-slave support: slave\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eSPP maximum throughput: 16K bytes\/s (for android, windows)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;color:rgb(0, 0, 0);box-sizing:content-box'\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eJDY-31 support patch and solder pin header\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e1. Needle pin application: The pin header specification is standard 2.54 pitch pin header, just need to weld 5 pin holes on the module.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e2. SMD application: Generally, only four pins of VCC, GND, RXD and TXD need to be connected. If you need to disconnect actively in the connection state, send AT+DISC in the connection state.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;text-align:center;color:rgb(0, 0, 0);box-sizing:content-box' align=\"center\"\u003e\n\u003cimg style=\"max-width:100%;box-sizing:border-box\" width=\"600\" height=\"300\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1Qb8CT6TpK1RjSZKPq6y3UpXaw.jpg\" slate-data-type=\"image\"\u003e \u003cimg style=\"max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1T4VxT8LoK1RjSZFuq6xn0XXaw.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7111349828414abf89191fd981eb076cw.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5c62cf3741924627a3abfd7219e5e32bn.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S38c97f1c8c17453c9a57be4142bd08dau.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"HC-USB-T","offer_id":55377133044011,"sku":"14:202997806#HC-USB-T","price":12.74,"currency_code":"USD","in_stock":true},{"title":"HC-42 with Baseboard","offer_id":55377133076779,"sku":"14:203008818#HC-42 with Baseboard","price":20.66,"currency_code":"USD","in_stock":true},{"title":"HC-42 SMD type","offer_id":55377133109547,"sku":"14:203008817#HC-42 SMD type","price":17.82,"currency_code":"USD","in_stock":true},{"title":"HC-25 with Baseboard","offer_id":55377133142315,"sku":"14:200003699#HC-25 with Baseboard","price":13.73,"currency_code":"USD","in_stock":true},{"title":"HC-25 SMD type","offer_id":55377133175083,"sku":"14:350853#HC-25 SMD type","price":10.76,"currency_code":"USD","in_stock":true},{"title":"HC-12","offer_id":55377133207851,"sku":"14:200004891#HC-12","price":9.36,"currency_code":"USD","in_stock":true},{"title":"HC-09 SMD type","offer_id":55377133240619,"sku":"14:691#HC-09 SMD type","price":14.49,"currency_code":"USD","in_stock":true},{"title":"HC-08 Board Welding","offer_id":55377133273387,"sku":"14:200001438#HC-08 Board Welding","price":17.19,"currency_code":"USD","in_stock":true},{"title":"HC-08 No Welding","offer_id":55377133306155,"sku":"14:200002130#HC-08 No Welding","price":16.02,"currency_code":"USD","in_stock":true},{"title":"HC-08 SMD type","offer_id":55377133338923,"sku":"14:200004889#HC-08 SMD type","price":14.09,"currency_code":"USD","in_stock":true},{"title":"HC-06 Board Welding","offer_id":55377133371691,"sku":"14:200004890#HC-06 Board Welding","price":38.75,"currency_code":"USD","in_stock":true},{"title":"HC-06 No Welding","offer_id":55377133404459,"sku":"14:350850#HC-06 No Welding","price":37.71,"currency_code":"USD","in_stock":true},{"title":"HC-06 SMD type","offer_id":55377133437227,"sku":"14:365458#HC-06 SMD type","price":35.42,"currency_code":"USD","in_stock":true},{"title":"HC-05 Board Welding","offer_id":55377133469995,"sku":"14:1254#HC-05 Board Welding","price":41.36,"currency_code":"USD","in_stock":true},{"title":"HC-05 No Welding","offer_id":55377133502763,"sku":"14:771#HC-05 No Welding","price":45.77,"currency_code":"USD","in_stock":true},{"title":"HC-05 SMD type","offer_id":55377133535531,"sku":"14:1052#HC-05 SMD type","price":38.25,"currency_code":"USD","in_stock":true},{"title":"HC-04 with Baseboard","offer_id":55377133568299,"sku":"14:496#HC-04 with Baseboard","price":13.73,"currency_code":"USD","in_stock":true},{"title":"HC-02 Board Welding","offer_id":55377133601067,"sku":"14:366#HC-02 Board Welding","price":17.19,"currency_code":"USD","in_stock":true},{"title":"HC-02 No Welding","offer_id":55377133633835,"sku":"14:193#HC-02 No Welding","price":16.02,"currency_code":"USD","in_stock":true},{"title":"HC-02 SMD type","offer_id":55377133666603,"sku":"14:175#HC-02 SMD type","price":14.04,"currency_code":"USD","in_stock":true},{"title":"HC Pin Port Cable","offer_id":55377133699371,"sku":"14:173#HC Pin Port Cable","price":2.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S70b8aa48b9604cdeb6fb9d61edefd5ecG.webp?v=1788332844"},{"product_id":"1-10pcs-hc-12-si4463-wireless-microcontroller-serial-433-long-range-1000m-with-antenna-for-bluetooth-si4438","title":"1-10pcs HC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth SI4438","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRelay\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"overflow:hidden;height:0px\"\u003emodname=ckeditor\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"overflow:hidden;height:0px\"\u003emodname=ckeditor\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"overflow:hidden;height:0px\"\u003emodname=ckeditor\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eHC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003ePS: HC-11 can not be connected to communicate with the HC-12, they work independently, in pairs.\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e3: The default idle current: 16MA (modules in different operating current of the different operating modes).\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e4: Module Size: 27.8mm × 14.4mm × 4mm.\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e6: The module supports software upgrades. (We provide customers with software upgrades)\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M). \u003cimg cke-id=\"img38\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sad9041567ba249e6bbe0fec7d202c5293.jpg?width=750\u0026amp;height=427\u0026amp;hash=1177\" style=\"font-family:Helvetica, Arial, sans-serif\"\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eHere are several of the antenna connection can be selected.\u003c\/div\u003e\n\n\u003cp\u003e\u003cimg cke-id=\"img39\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3d213b869a6e4585a9fca98a352b1eacg.jpg?width=547\u0026amp;height=800\u0026amp;hash=1347\"\u003e\u003cimg cke-id=\"img40\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9a1c0b72aa2643d4a83ae3505f90c9db1.jpg?width=750\u0026amp;height=600\u0026amp;hash=1350\"\u003eAs shown above, HC-12 module is used instead of the half-duplex communication physical connection to the left of the serial device sends data to the module, the module receives the left RXD port serial data, the data is automatically sent by way of radio waves into the air. The right of the module can automatically receive and restore the left side of the device was originally issued by the serial data from the TXD. From right to left is the same.\u003c\/p\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eHC-12 module has three serial pass-through mode, using FU1, FU2 and FU3 said. When used, the various models are just to send and receive serial data, wireless transmission portion of the air tube. The default work under FU3 full mode, which automatically adjusts air baud serial port baud rate according to at low baud communication distances. Different modes can not exchange data, the user can select the optimal mode according to the actual situation.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eWhen using generally do not limit the number of bytes to a continuous serial transmission module. However, in view of factors such as environmental disturbance, when a large amount of data sent continuously, there may be missing some bytes. So, the PC is best to have the response and retransmission mechanisms to avoid loss of information.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cstrong\u003eAT command set:\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eModule parameters, AT command set\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eAT command is used to set the parameters of the function module and switching modules need to exit the setting mode after setting to take effect. Meanwhile, modify the parameters and functions, power-down is not lost.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e(1), enter the command mode of\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe first entry mode - normal use (has the power) in the first 5-pin \"SET\" is set low;\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe second mode of entry - power, 5th pin \"SET\" again first set low on power.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eBoth methods can make the module into AT command mode, release (\"SET\" pin is not connected low) to exit command mode. After the exit command mode, if you change the module function, the function will be cut to the appropriate state.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe second way is fixed in serial format 9600, N, 1 into the AT.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e(2) Instructions\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e1. AT\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eTest instructions\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSend module commands \"AT\", the module returns \"OK\".\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e2. AT + Bxxxx\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eChange the serial port baud rate command. You can set the baud rate is 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps and 115200bps. The factory default is 9600bps.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSet the module serial port baud rate is 19200bps, please send module command \"AT + B19200\", the module returns\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\"OK + B19200\".\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e3. AT + Cxxx\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eChange the wireless communication channel, selectable from 001 to 127 (more than 100 radio channels after the communication distance not guaranteed). The default value is 001 radio channels, operating frequency is 433.4MHz. Step channel is 400KHz, the operating frequency of the channel 100 is 473.0 MHz.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSet module to channel 21, please send module command \"AT + C021\", the module returns \"OK + C021\".\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eAfter exiting the command mode, the module in the first 21 channels, operating frequency is 441.4 MHz.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eNote: Because the wireless receiver module sensitivity HC-12 is relatively high, the baud rate is greater than when air 58000 bps, 5 must be shifted to the adjacent channel use. When the air baud rate is not greater than 58000 bps, if the short distance (10 meters) communication, but also need to stagger five adjacent channel use.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e4. AT + FUx\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eChange the module serial pass-through mode, there FU1, FU2 and FU3 three modes. Module default mode is FU3, two serial pass-through mode module must be set to the same communication. See detailed above, \"wireless serial pass-through\" part.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSend module commands \"AT + FU1\", the module returns \"AT + OK\".\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cp style=\"line-height:15.75pt;margin:0pt 0px;margin-bottom:0pt;margin-top:0pt;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e6. AT + Px\u003c\/p\u003e\n\n\u003cp style=\"line-height:15.75pt;margin:0pt 0px;margin-bottom:0pt;margin-top:0pt;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cimg cke-id=\"img41\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb9c07d3de447441bb6fe778429f89ed77.jpg?width=583\u0026amp;height=320\u0026amp;hash=903\"\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eThe default setting is 8, maximum transmit power, communication distances. Transmit power level is set to 1, the minimum transmission power. In general, the transmission power of each drop 6dB, communication distance will be reduced by half.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eExample:\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003eSend module commands \"AT + P 5\", the module returns \"OK + P5\". After exiting the command mode, the module transmit power is +11 dBm.\u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"1pcs","offer_id":55377133764907,"sku":"14:200003699#1pcs","price":8.28,"currency_code":"USD","in_stock":true},{"title":"2pcs","offer_id":55377133797675,"sku":"14:200002130#2pcs","price":17.28,"currency_code":"USD","in_stock":true},{"title":"20pcs","offer_id":55377133830443,"sku":"14:350852#20pcs","price":178.11,"currency_code":"USD","in_stock":true},{"title":"4pcs","offer_id":55377133863211,"sku":"14:365458#4pcs","price":35.19,"currency_code":"USD","in_stock":true},{"title":"10pcs","offer_id":55377133895979,"sku":"14:350850#10pcs","price":88.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S1ee08c2982aa4d3e9866501ca34e4a22w.webp?v=1788332844"},{"product_id":"hc-12-wireless-serial-communication-module-1000m-long-range-si4438-rf-transceiver-for-industrial-automation-remote-control","title":"HC-12 Wireless Serial Communication Module 1000M Long Range SI4438 RF Transceiver for Industrial Automation Remote Control","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAideepen\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDIY Supplies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectrical\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eData Record\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePlastic\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Communication Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSemi-finishedproduct\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSI4438 RF Transceiver\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eFeatures: \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e1. Long distance wireless transmission, with an airborne baud rate of 500bps, supporting a communication distance of 1000 meters in open areas \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e2. Operating frequency range of 433.4-483.8MHz, with up to 254 communication channels \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e3. Maximum 100mW (20dBm) transmission power (can be set to 8 levels of power) \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e4. Four working modes to adapt to different application scenarios \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e5. Built in MCU, communicates with external devices through serial port\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eProduct Introduction \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe HC-12 wireless serial communication module is a new generation multi-channel embedded wireless data transmission module. The wireless operating frequency band is 433.4-483.8MHz, and multiple channels can be set with a step frequency of 400KHz, for a total of 127 channels. In default mode, the module is \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eHigh transmission power of 100mW (20dBm), 5000bps airborne baud rate, receiving sensitivity of -116dBm, open area 1000 \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe communication distance of meters. \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe module adopts stamp hole packaging method and can be surface mounted and soldered. The module size is 27.4mm × 13.2mm (excluding spring antenna), which is very convenient for customers to embed into the application system. There is a PCB antenna base ANT1 on the module, and users can use coaxial lines to connect external antennas in the 433MHz frequency band (suitable for 433.4MHz-450MHz) or 470MHz frequency band (suitable for 450MHz-483.8MHz) according to the selected communication channel; There are also antenna welding holes ANT2 inside the module, \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eConvenient for users to weld spring antennas. Users can choose one of the antennas according to their usage requirements. \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe module contains an MCU inside, and users do not need to program the module separately. Various transparent transmission modes only need to send and receive serial data, making it easy to use. The module adopts multiple serial port transparent transmission modes, and users can choose according to their usage requirements using AT commands. \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eThe average operating currents of the four modes FU1, FU2, FU3, and FU4 in idle state are 3.3mA, 85 μ A, and 16.5mA, respectively \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eAnd 16.5mA, with a maximum operating current of about 120mA (in full power transmission state).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eParameters: \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eModel: HC-12 Surface mount V4.0 \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eCommunication interface: UART 3.3V~5V TTL level \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eCommunication level: 3.3V\/5V level \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWorking humidity 10%~90% \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eRF chip solution: SI4438, external 433MHz antenna \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eTransmission rate 4-5KB\/s \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eCommunication distance: 1km\/FU4, half duplex, 1200~115200bp \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWorking voltage 3.0~5.5V \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eCommunication interface\/level: UART 3.3\/5V TTL level \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWorking frequency range of 433.4~484.0MHz, with a total of 254 channels \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eTransmission power (MAX): 100mW (20dBm) \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eFour idle current modes: FU1:3.3mA, FU2:85 μ A, FU3:16.5mA, FU4:16.5mA, \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWorking current (MAX): 100mA (full power) \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWorking temperature: -40~+85 ℃ \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eReference distance: 1000m \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eModule size: 27.4 × 13.2 \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eBuilt in firmware, power on self connection, note that at least 2 modules are required for interconnection. \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eProduct application: \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003ewireless sensor \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eResidential building security \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eRobot wireless control \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eIndustrial remote control and telemetry \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eAutomated data collection \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eContainer Information Management \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003ePOS system \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWireless collection of gas meter data \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eVehicle Keyless Entry System \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003ePC wireless networking\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eProduct List: \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e1X module \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e1X spring antenna\u003cbr\u003e\u003c\/span\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1e9d82b2ca424e3f931f4b4c4bcc76fdB.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa577620edb7d44eba2581b8c20a5f620f.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6ccce757ee0648a2a5d46704c30e58b8w.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd04041ac26ad4117ad82339491dbb1ac1.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S23c7b6f9df1c4035af3fed5c5536993ed.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7a36f267da5349acb2a9deca670ca304K.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd776396a41084c7eb0a16555224d2ff6D.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6ebfd6c384214f24851e8c64adf9d7a68.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S27ae69bd7e774069b81b71823b321da16.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3ec208dd8e404d62aa9b724ed4317cc0Q.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sed24593a680c4eeb9214a9fa9662ff7ad.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4947988132a94430aa70dbcdb7e77081G.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S57698f37182441658095d6bdb9a3628aZ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc84ba6d61b274e11be6b9b8919875adcI.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2d193e910df041de8e8db888ba45b8db3.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd5151668dd794344952fa2fd0a58bcddy.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5d45a3cde97b45beb5e7dc748d2ce121W.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3a72309132db48369b5150e67757c1e0v.jpg\" slate-data-type=\"image\"\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"RF Transceiver","offer_id":55377134551339,"sku":"14:350686#RF Transceiver","price":16.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sa577620edb7d44eba2581b8c20a5f620f_ab304f21-ebe9-4d04-b4f9-1df192b75de5.webp?v=1788332845"},{"product_id":"absq-hc-12-si4463-wireless-serial-port-module-433mhz-1000m-replacement-for-bluetooth-4pcs","title":"ABSQ-HC-12 SI4463 Wireless Serial Port Module 433Mhz 1000M Replacement For Bluetooth 4PCS","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCompatible Audio \u0026amp; Video Equipment Style\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAmplifier\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 1\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Serial Port Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 2\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHC12 SI4463\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 3\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSI4463 Wireless Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 4\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless Bluetooth Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 5\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSI4463 Wireless Bluetooth Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eIR\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cmeta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\"\u003e \u003ctitle\u003e\n\u003c\/title\u003e \u003cp\u003e \u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1zxabXsfrK1RjSszcq6xGGFXa0.jpg?size=350304\u0026amp;height=1739\u0026amp;width=1000\u0026amp;hash=599049b519a299ec6a7c3acf68061156\"\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n  High frequency range: The 433MHz HC-12 SI4463 wireless serial port module operates within the high frequency range of 433MHz, ensuring efficient and reliable data transmission. \n \u003cbr\u003eMulti functional replacement option: This module is an ideal replacement for Bluetooth, providing a practical solution for those seeking to upgrade or replace existing systems. \n \u003cbr\u003eLong distance coverage: Within a range of 1000 meters, this module provides extensive coverage, making it suitable for applications that require a wide range of coverage. \n \u003cbr\u003eIntegrated Circuit: The integrated circuits included in this module ensure seamless operation and compatibility with various devices and systems. \n \u003cbr\u003eVoltage regulator type: As a type of voltage regulator, this module aims to maintain a stable power supply, thereby improving the overall reliability of the system. \n \u003cbr\u003e \n \u003cbr\u003eColor:Blue \n \u003cbr\u003eMaterial:plastic \n \u003cbr\u003e \n \u003cbr\u003ePackage Contents: \n \u003cbr\u003e4 x Wireless Serial Port Module \n \u003cbr\u003e \n \u003cbr\u003eOnly the above package content, other products are not included. \n \u003cbr\u003eNote: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm. \n\u003c\/div\u003e \u003cp\u003e\u003c\/p\u003e \u003cp\u003e \u003cbr\u003e \u003c\/p\u003e \u003cp\u003e \u003cspan style=\"font-size:16px;font-weight:700;text-align:center;white-space:normal;color:#FFFFFF;\"\u003eABSQ-HC-12 SI4463 Wireless Serial Port Module 433Mhz 1000M Replacement For Bluetooth 4PCS\u003c\/span\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"width: 100.0%;\"\u003e \n \u003ctbody\u003e \n  \u003ctr\u003e \n   \u003ctd style=\"margin: 0 auto; text-align: center;\"\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sfa1844e3b9c64adaaec936711297a690a.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e316d8d84aa4df2b6370fcdf4f5729dT.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf8f3078d26b84fc9b21169139894aa44c.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3f55faa300074761b6dca6ab819c4501J.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sce19a6dc7a024c1da863e4155812c05ff.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5a99ad5df5464f64a10966d8da88d146O.jpg\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e \n  \u003c\/tr\u003e \n \u003c\/tbody\u003e \n\u003c\/table\u003e\n\u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1VECbXzvuK1Rjy0Faq6x2aVXaa.jpg?size=350304\u0026amp;height=1739\u0026amp;width=1000\u0026amp;hash=599049b519a299ec6a7c3acf68061156\"\u003e \u003cp\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Blue","offer_id":55377134715179,"sku":"14:1254#Blue","price":48.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sfa1844e3b9c64adaaec936711297a690a.webp?v=1788332847"},{"product_id":"hc-12-usb-wireless-serial-port-module-for-raspberry-pc-terminal-433m-cp2104-ultra-long-distance-si4463","title":"HC-12-USB Wireless Serial Port Module for Raspberry PC Terminal 433M CP2104 Ultra Long Distance SI4463","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ediymore\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePlease Check Description\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-20 -65℃\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e4.5 -5.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000000642519\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hecccec66e70348009f2e12496afa7b2et.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eFeature:\u003cbr\u003eBuilt-in Bluetooth 2.0 serial port module HC-12, high performance, low power consumption\u003cbr\u003eSupport input voltage 4.5-5.5V, can’t exceed 5.5V\u003cbr\u003eSupports full-duplex serial transmission\u003cbr\u003eUSB2.0 full-speed data processing\u003cbr\u003e\u003cbr\u003eNote: \u003cbr\u003eThe module is 433 wireless serial port module, can only be connected with the wireless module, can’t be connected with the Bluetooth module. \u003cbr\u003eWhen module power-on initialization is complete, the module into the serial port transparent transmission mode, You can open the serial port assistant, transmit data within the vicinity 433 wireless modules. \u003cbr\u003eIf the user wants to modify the parameter of the 433 wireless modules, the user can press the KEY module side, to enter AT mode. After completed, the revision of parameters releases KEY, module exit AT mode to serial port transmission mode.\u003cbr\u003e\u003cbr\u003ePackage included: \u003cbr\u003e1* HC-12 USB Wireless Serial Port Module\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H31ac266aac5b40778000eaf448e8b25dP.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/He79e60ae27e647e79dc12b35c42d6b9cg.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Ha077ada56b584bcd9d57df64613df617F.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hb98b2c538e1a41aea95b86d44806a6adQ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Ha0004509072341f1b01878b41b97759e9.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hf73c9d59f27e4ff89f5d44fdfc9d69aaQ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hac83b01f6c554d5c9959679f5a65eb42t.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55377135534379,"sku":"\u003cnone\u003e","price":44.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/H159478db3de7447283f81e04f2a182c3S.webp?v=1788332850"}],"url":"https:\/\/yoeruyo.com\/collections\/hc-12-module-hc-12.oembed","provider":"Yoeruyo","version":"1.0","type":"link"}