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.
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
Tailored to Your Needs
The XR1 Receiver is available in three configurations, ensuring you have the flexibility to meet your exact requirements: Choose between 2.4GHz, Sub-G 900MHz, or a Dual-Band antenna that allows switching between 2.4Ghz and 900Mhz without an antenna change! All antenna types are available as optional accessories so you can change frequency at a later stage without needing to purchase a new receiver!
Weight
Dimensions
Download
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
EdgeTX Gold Partner
Radiomaster is proud to be an EdgeTX Gold Partner and to have played a pivotal role in the inception of the EdgeTX project. Our commitment goes far beyond just producing radios that run on EdgeTX; we are actively collaborating with the EdgeTX team to drive innovation and help shape the future of EdgeTX based technology.
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