Meshtactic works out of : Pre-flashed with Meshtastic firmware, it is ready to work once powered on. Outstanding performance: Supports LoRa(862-930MHz) 2.4GHz Wi-Fi and BLE 5.0 dual wireless communication, support 2-5km(LoRa) and 100m+(Wi-Fi/BLE) remote communication when connected with U.FL antenna. Thumb-sized Compact Design: adopting the classic form factor of XIAO, suitable for space-limited projects like wearable devices. Powerful MCU Board: Incorporate the ESP32S3 32-bit, dual-core, Xtensa processor running at up to 240MHz, mounted multiple development ports, for / MicroPython supported. Elaborate Power Design: Includes a Type-C USB interface and lithium battery charge management. Same Hardware for Multiple Applications: Can be developed as a Meshtastic node or router, a single-channel LoRaWAN gateway, or a LoRa & LoRaWAN sensor. Colour:black Material:PCB+Components Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 2 x XIAO ESP32S3 Development Boards 2 x Wio-SX1262 extension board 2 x Wi-Fi antenna 2 x LoRa antenna 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.