Powered by the advanced third-generation Semtech LR1121 transceiver, the XR1 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether youre 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.

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

Specification
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

Package Includes
1 * XR1 Nano Multi-Frequency ExpressLRS Receiver
1 * T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)
1 * CRSF wire
3 * Heat-Shrinkable Tube
1 * Manual Card