Meshtactic is ready to use out of : pre-installed Meshtastic firmware, it works as soon as it is powered on. Excellent RF performance: supports LoRa (862-930MHz) 2.4GHz Wi-Fi and BLE 5.0 dual wireless communications, supports 2-5km (LoRa) and 100m+ (Wi-Fi/BLE) long-range communication when connected to U.FL antenna. Powerful MCU board: integrated ESP32S3 32-bit, dual-core, Xtensa processor, running at up to 240MHz, installed multiple development ports, support for /for MicroPython. Exquisite power design: includes Type-C USB interface and lithium battery charging management. The same hardware is suitable for multiple applications: can be developed as a Meshtastic node or router, a single-channel LoRaWAN gateway, or a LoRa and LoRaWAN sensor. Compatible with XIAO expansion board to add screens and sensors, and add Grove sensors through Grove expansion board. ESP32S3: SP32-S3R8, Xtensa LX7 dual-core, 32-bit processor, running at up to 240MHz LoRa: Based on SX1262, supports 862-930MHz BLE: Bluetooth 5.0, Bluetooth mesh Wi-Fi: Complete 2.4GHz Wi-Fi subsystem The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:PCB Package Contents: 2 * Development Board Kit 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.