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RadioMaster XR3 Nano ELRS Receiver
RX-XR3DB
This dual-band ELRS receiver is perfect for long-range and RF challenging areas
The XR3 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20 x 15mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR3 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether you're flying on 2.4GHz or 900MHz, the XR3 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 XR3 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
- Antenna Diversity for improved signal stability and range
- ExpressLRS 2.4GHz or 900MHz
- ESP32C3 high-performance MCU
- Semtech LR1121 Transceiver
- Additional UART port
- Secondary port for advanced functionality
- Castled pads for easy soldering
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| Frequency | 900MHz / 2.4GHz |
| Input Voltage | 5-12.6V DC |
| Dimensions | 22x15x4mm |
| Weight | 1.3g without antennas |