SPECIFICATIONS

Accessory Type: USB To DC Cable

Battery Included: no

Bluetooth: Bluetooth LE, Bluetooth 5, Bluetooth mesh

Brand Name: Meshzeno

Compatible With: Lora 32

Dimensions: 51.7 * 25.4* 10.7mm

Frequency: 433~510 MHz, 863~928 MHz

High-concerned chemical: none

LoRa Chip: SX-1262

Master Chip: ESP32-S3R2

Max. Receiving Sensitivity: -137 dBm

Max. TX Power: 21±1dBm, 27±1 dBm

OLED: SSD1315(0.96Inch, 128*64 resolution)

Operating Temperature: -40~85℃(OLED operating temperature: -40~ 70°C)

Origin: Mainland China

Power Supply: 5V@USB, 3.3-4.2V@Battery

Typical Application Fields: Internet of Things (IoT)

Wi-Fi: 802.11 b/g/n, up to 150Mbps

Note:

This product doesnot include batteries!!!

If you need to purchase batteries separately, please select this link:

https://www.aliexpress.com/item/1005011753956604.html

Docs & Resource

Specifications

Parameters	Description
Master Chip	ESP32-S3R2
LoRa Chip	SX-1262
USB to Serial Chip	CP2102
Frequency	470~510MHz, 863~928MHz
Max. TX Power	21±1dBm, 27±1 dBm
Max. Receiving sensitivity	-137 dBm
Wi-Fi	802.11 b/g/n, up to 150Mbps
Bluetooth	Bluetooth LE, Bluetooth 5, Bluetooth mesh
OLED	SSD1315(0.96Inch, 128*64 resolution)
Power Supply	5V@USB, 3.3-4.2V@Battery
Hardware Resource	7*ADC1 + 2*ADC2, 7*Touch, 3*UART, 2*I2C, 2*I2S 4*SPI, etc.
Memory	384KB ROM; 512KB SRAM; 16KB RTC SRAM; 16MB Flash, 2MB PSRAM
Interface	USB Type-C; SH1.25-2P lithium battery interface; SH1.25-2P solar panel interface; 2*IPEX1.0 ANT(LoRa&2.4G); 2*18*2.54 Header Pins, 2*2*2.54 Header Pins
Operating Temperature	-40~85℃(OLED operating temperature: -40~ 70°C)
Dimensions	51.7 * 25.4* 10.7mm

Summary

Heltec WiFi LoRa 32 V4 is a fully upgraded version of the classic LoRa development board. Since its

 

initial launch in 2017, this product series has been highly favored by developers and makers. Building

 

upon the powerful features of its predecessors, the V4 version introduces comprehensive optimizations

 

in Transmit Power, power management, expandability and other hardware design. It is suitable for

 

various IoT applications such as smart cities, agricultural monitoring, smart homes, industrial control,

 

security systems, and wireless meter reading, providing developers with a more efficient and flexible

 

development experience.

Main Features

• Base on ESP32-S3R2 & SX-1262, supports Wi-Fi b/g/n, BLE, and LoRa communication.

• 2MB PSRAM and 16MB external Flash, more suitable for UI and complex system .

• High-power version with LoRa transmission power increased to 27±1dBm.

• Form factor and pin compatibility with WiFi LoRa 32 V3.

• PC casing protects the screen and integrates FPC 2.4G antenna.

• Added SH1.25-2P solar panel interface.

• Optimized lithium battery management.

• Added SH1.25-8Pin GNSS interface.

• USB Type-C interface with integrated voltage regulation, ESD protection, short-circuit protection,

       and RF isolation design;

• Low power consumption is less than 20μA