SPECIFICATIONS

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Sim800L is a GSM/GPRS module. You can send a message, make a call, transfer data though the GPRS or something else.

Overview This SIM800l module has a set of TTL level serial interface, a set of power supply interface. Besides, there are a set of antenna interface on this module.

The chip of SIM800L basic features SIM800H is a complete Quad-band GSM/GPRS solution in a LGA type which can be embedded in the customer Applications: SIM800H support Quad-band 850/900/1800/1900MHz, it can transmit Voice, SMS and data information with low power Consumption: With tiny size of 15.8*17.8*2.4 mm, it can fit into slim and compact demands of customer design. Featuring Bluetooth, FM and Embedded AT, it allows total cost savings and fast time-to-market for customer applications.

General features Quad-band 850/900/1800/1900MHz
GPRS multi-slot class 12/10
GPRS mobile station class B
Compliant to GSM phase 2/2+

• Class 4 (2 W @ 850/900MHz)

• Class 1 (1 W @ 1800/1900MHz)
  Bluetooth: Compliant with 3.0+EDR
  FM: 76~109MHz worldwide bands with 50 KHz tuning step
  Dimensions: 15.8*17.8*2.4mm
  Weight: 1.35g
  Control via AT commands (3GPP TS 27.007, 27.005 And SIMCOM enhanced AT Commands)
  Supply voltage range 3.4 ~ 4.4V
  Low power consumption
  Operation temperature:-40 ~85

Specifications for GPRS Data GPRS class 12: Max. 85.6 kbps (downlink/uplink)
PBCCH support
Coding schemes CS 1, 2, 3, 4
PPP-stack
CSD up to 14.4 kbps
USSD
Non transparent mode

Specifications for SMS via GSM/GPRS Point to point MO and MT
SMS cell broadcast
Text and PDU mode

Software features 0710 MUX protocol
Embedded TCP/UDP protocol
FTP/HTTP
MMS
E-MAIL
DTMF
Jamming Detection
Audio Record
TTS
Embedded AT (optional)

Specifications for voice Triode

• Half rate (HR)

• Full rate (FR)

• Enhanced Full rate (EFR)
  AMR

• Half rate (HR)

• Full rate (FR)
  Hands-free operation
  Echo suppression

Interfaces 88 LGA pads including:
Analog audio interface
RTC backup
Serial interface
Interface to external SIM 3V/1.8V
GSM Antenna pad
FM Antenna pad
Bluetooth Antenna pad

Compatibility AT cellular command interface

Certifications (Plan): CE GCF FCC ROHS REACH

The module Basic features 51 STM32 AVR MCU compatible
Prototype expand
The frequency is 850/900/ 1800/1900 MHz
Power supply range: voltage is 4.6-5.2v; current is 1A or more (the current is very important).
Operating temperature range: -40 degrees C to +85 C
Communication interface: The TTL level serial interface compatible 2.85/3.3/5v MCU
LED: Two led, the Net led and the RING led.
Size:27*39mm
SIMCARD: micro SIMCARD holder

The description of pins:
The name of pins Description
5v Power interface Power the module CONNECT TO DC5v
GND
VDD TTL UART interface The TTL UART serial interface, you can connect the MCU like 51MCU or ARM or MSP430 directly. The pin of VDD is used to match voltage of the TTL.
SIM_TXD
SIM_RXD
GND if this pin is unused, keep open
RST RST the module, if this pin is unused, keep open

The name of pins Description
5v Power interface Power the module CONNECT TO DC5v
GND
VDD TTL UART interface The TTL UART serial interface, you can connect the MCU like 51MCU or ARM or MSP430 directly. The pin of VDD is used to match voltage of the TTL.
SIM_TXD
SIM_RXD
GND if this pin is unused, keep open
RST RST the module, if this pin is unused, keep open