1.High performance: Supports LoRa (862 - 930MHz), 2.4GHz Wi - Fi, and BLE 5.0 dual - wireless communication. When connected to an external antenna, it enables remote communication over a distance of 2-5km (LoRa) and 100m + (Wi - Fi / BLE). 2.LoRaWAN Hub: Pre-flashed with Single channel LoRaWAN, it is ready to work once powered on. 3.3D casing Design: Measuring 22x23x57mm, this device features a black ABS material with an extensive temperature range (- 40 - 100), making it ideal for outdoor and space - constrained projects. 4.Powerful MCU Board: Incorporate the ESP32S3 32-bit, dual-core, Xtensa processor running at up to 240MHz, mounted multiple development ports, for / MicroPython supported. 5.Elaborate Power Design: Includes a Type-C USB interface, multiple GPIO/I2C/UART interface and lithium battery charge management. Versatile Hardware for Multiple Applications: Can be developed into a node or router for Meshtastic, a device for Single Channel LoRaWAN Gateway, or a LoRa & LoRaWAN sensor. Processor:ESP32-S3R8, for Xtensa LX7 dual-core, 32-bit processor running up to 240 MHz Memory:On-chip 8M PSRAM & 8MB Flash Wireless:Complete 2.4GHz Wi-Fi subsystem BLE: Bluetooth 5.0, Bluetooth mesh, LoRa: Based on SX1262, supports 862-930MHz Interface:1x UART, 1x IIC, 1x IIS, 1x SPI, 11x GPIOs (PWM), 9x ADC, 1x User LED, 1x Charge LED 1x Reset button, 1x Boot button Power: Input voltage (Type-C): 5V Input voltage (BAT): 4.2V Charging battery current: 100mA Operating Temperature:-40C- 65C Antenna Type:SMA to External Antenna Max Gain:2 dBi Colour:Black Material:ABS Package Contents: 1 x External 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.