RadioMaster XR2 Nano 2.4GHz ExpressLRS Receiver

XR2 Nano User Manual Product Description:The XR2 Receiver is an ultra-compact, high-performance 2.4GHz ExpressLRS receiver, engineered for maximum efficiency in micro builds, Whoops, and fixed-wing models. Featuring a built-in tower antenna, it delivers excellent reception in a tiny 16×12mm footprint, weighing just 0.8g. Powered by the advanced Semtech LR1121 transceiver, the XR2 supports DK500Hz mode, offering ultra-low latency and reliable link performance for ELRS pilots seeking top-tier responsiveness. The integrated Wi-Fi module enables easy firmware updates and configuration through a WebUI—no cables required. Key Features:Integrated 2.4GHz tower antenna for compact, high-gain receptionExpressLRS 2.4GHz protocol supportHigh-performance ESP32C3 MCUAdvanced Semtech LR1121 transceiver (3rd gen)Secondary UART port for expanded connectivityCastled solder pads for easy and secure wiring Specifications:Product: XR2 Nano 2.4GHz ExpressLRS ReceiverType: ISM 2.4GHzMCU: ESP32C3RF Chip: Semt