This kit combines the Pro Micro NRF52840 and Pro Micro SX1262, supporting BLE5.0, Thread, Zigbee and LoRa (868-928MHz), and operates with low power consumption. It can be applied in such as Meshtastic, sensor networks, environmental monitoring, asset tracking, education, and . Features: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports, supported by / CircuitPython / Micropython. Dual-core communication: It supports both Bluetooth and LoRa dual modes, enabling -domain interconnection. which supports LoRa and FSK modulation. the maximum transmit power is up to +22 dBm. The module achieves high sensitivity to-148 dBm, Frequency coverage from 868 MHz to 928 MHz. Integrated battery voltage divider resistor (10M-10M). Integrated power mosfets for swithching external hardware. Firmware Name:firmware-nrf52_promicro_diy_tcxo Color: Black Material: PCB Package Contents: 1 X Pro Micro NRF52840 & Pro Micro SX1262 development board 1 X antenna; 1 X MX1.25 2P battery connection cable; Only the above package content, other products are not included. Note: 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.