Advanced connectivity: for XR2 Nano's built-in Wi-Fi module enables seamless control, ensuring easy updates and connectivity Enhanced range: Equipped with a high-performance tower antenna and LR1121 transceiver, this receiver provides extended range and reliability to meet all your remote control needs. Compact design: for XR2 Nano's compact and lightweight design makes it ideal for a variety of remote control applications, providing powerful performance without being bulky Added UART output interface for more expansion possibilities Perfectly compatible with all for RadioMaster ExpressLRS remote controllers and high-frequency heads Item: XR2 Nano 2.4GHz ExpressLRS Receiver Type: ISM2.4 MCU: ESP32C3 RF Chip: Semtech LR1121 Antenna: Integrated 2.4GHz Tower Antenna Frequency Range: 2.400 - 2.479GHz Telemetry Power: 10mW Maximum Packet rate: DK500Hz Minimum Packet refresh rate: 50Hz Working voltage: 5V Firmware Version: ExpressLRS v3.5.1 pre-installed FW Target: for RadioMaster XR2 2.4 RX Bus interface 1: CRSF Bus interface 2: UART The product appearance and printed words may vary depending on the batch, but this does not affect use Colour:As Shown Material:PCB Package Contents: 1 x XR2 Receiver 3 x Heat Shrink Tubes 1 x CRSF 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.