Radiomaster XR1 Nano Multi-Frequency ExpressLRS Receiver

The XR1 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20 x 13mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR1 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether you’re flying on 2.4GHz or 900MHz, the XR1 delivers exceptional range and sensitivity in a small, lightweight package — perfect for any build. With the reliability of ExpressLRS, you can focus on flying without worrying about link quality. Designed for convenience, the XR1 features built-in Wi-Fi for effortless configuration and firmware updates. Access and manage settings through an intuitive WebUI on your PC or mobile device with ease. For more details and support, visit expresslrs.org. Features: Telemetry RF power: 100mW ExpressLRS 2.4GHz or Sub-G 900MHz ESP32C3 high-performance MCU Semtech LR1121 2.4GHz & Sub-G 900MHz Transceiver Secondary UART port Castled pads for easy soldering Specifications: Item: XR1 Nano Multi-Frequency  ExpressLRS Receiver Type: ISM2.4 or FCC915 MCU: ESP32C3 RF chip: Semtech LR1121 RF connector: IPEX-1 Antenna: 1x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package) Frequency Range: 2.4GHz or Sub-G 900MHz Telemetry Power: 100mW Maximum Packet rate: DK500Hz / K1000Hz Minimum Packet refresh rate: 50Hz Working voltage: 5V Weight: 1.0g (without antenna) Dimension: 20mm * 13mm * 3mm Firmware Version: ExpressLRS v3.5.1 pre-installed FW Target:  RadioMaster XR1 2.4/900 RX Bus interface 1: CRSF Bus interface 2: UART Tailored to Your Needs Weight: Dimensions: Associated Products: XR1 Nano Multi-Frequency ExpressLRS Receiver XR2 Nano 2.4GHz ExpressLRS Receiver XR3 Nano Multi-Frequency ExpressLRS Receiver XR4 Gemini Xrossband Dual-Band ExpressLRS Receiver Includes:1x Radiomaster XR1 Nano Multi-Frequency ExpressLRS Receiver1x T Antenna (Either 2.4GHz, 900MHz or dual-band)1x CRSF Wire1x Manual Card3x Heat-Shrinkable Tube