ThinkNode M2 Meshtastic (LoRa) Signal Transceiver Powered By ESP32-S3 With 1.3” OLED Display - no case

Elecrow ThinkNode-M2 is a high-performance LoRa signal transceiver. It uses the ESP32-S3 module as the main processor and supports Bluetooth. Users can easily configure and monitor the device through their mobile phones. M2 is pre-installed with Meshtastic firmware and equipped with an SX1262 wireless chip, which can efficiently send and receive LoRa signals to ensure the reliability and stability of communication. In addition, M2 is perfectly compatible with the official Meshtastic App. Users can use the App to implement parameter configuration, message communication, map and location sharing, network status monitoring, data recording and export, and custom settings.

The built-in 1.3-inch OLED display can display data and device status in real-time, which is convenient for users to view at any time. Built-in 1000mAh rechargeable battery supports long-term outdoor use. The LoRa antenna supports multiple frequency options to optimize communication performance further. The device adopts a modular design to facilitate embedded integration and custom development.

With integrated LoRa communication technology, ThinkNode-M2 achieves efficient connection and data exchange between devices. Whether in remote areas where cellular networks are not available or in emergencies, M2 can be used as an independent communication tool to provide critical safety assurance. It is also suitable for low-cost information exchange and transmission and reception solutions between communities to meet diverse communication needs.


Feature

Target Group

Outdoor enthusiasts, emergency responders, rural and remote residents, technology enthusiasts and developers, logistics and transportation companies, and community organizations.

 

Application

Outdoor adventure/Emergency communications/Community networking/Technology enthusiasts/Fleet management.

Specification

Main Processor（ESP32-S3 Module）
CPU/SoC | Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz
System Memory | 512KB SRAM、8M PSRAM
Storage  | 4M Flash，384KB ROM
Firmware | Meshtastic firmware is fully compatible, and the signal is transmitted in LoRa mode
Display
Size | 1.3 inch
Display Materials | OLED
Resolution | 128*64
Driver Chip | SSH1106
Wireless Communication
WiFi | Support 802.11a/b/g/n, 2.4GHz
Bluetooth | Bluetooth Low Energy and Bluetooth 5.0
LoRa | SX1262 LoRa Transceiver、US 915MHz / EU 868MHz
Hardware 
Interface | Type-C Interface, IPEX antenna connector (internal), battery connector (internal)
Function | LCD display, USB2.0, PMU power management, USB to UART, buzzer, buck circuit, etc.
Button | Power button, Function button, Reset button, BOOT button
LED Indicator  | Power indicator, charging indicator
Other
Power Input | 5V/1A, supports USB or lithium battery power supply
Power consumption  | The maximum working power consumption is about 217mA, and the low power consumption is about 136mA (screen-off state)
Operating Temperature | -10~50°C 
Storage Temperature | -20~60 °C
Relative humidity | 10%-95%, @ 40°C (non-condensing)
Size | With Case：88.4*46*23mm; Without Case：51.5*37*9.5mm
Shell  | ABS Plastic
Net weight | 30g(Without case);50g(With case)