XR2 Nano 2.4GHz ExpressLRS Receiver
XR2 Nano 2.4GHz ExpressLRS Receiver
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The XR2 Receiver is a tiny but powerful device designed for 2.4GHz ExpressLRS, featuring an integrated tower antenna that provides excellent reception in its small size. Measuring just 16×12mm and weighing only 0.8g, it easily fits into even the tightest spaces in your build. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR2 is compatible with all ELRS 2.4GHz transmitters and supports DK500Hz mode for LR1121-based systems, ensuring high reliability and quick response. Its built-in Wi-Fi module makes firmware updates and setup simple through a WebUI on your PC or mobile device. With ultra-low latency and high refresh rates, the XR2 is perfect for any project where small size, speed, and accuracy are key.
Features
- Integrated 2.4GHz tower antenna
- ExpressLRS 2.4GHz
- ESP32C3 high-performance MCU
- Semtech LR1121 Transceiver
- Secondary UART port for advanced functionality
- Castled pads for easy soldering
Specification
| Parameter | Details |
|---|---|
| Item | XR2 Nano 2.4GHz ExpressLRS Receiver |
| Type | ISM 2.4 |
| MCU | ESP32-C3 |
| RF Chip | Semtech LR1121 |
| Antenna | Integrated 2.4GHz Tower Antenna |
| Frequency Range | 2.400 – 2.479 GHz |
| Telemetry Power | 10mW |
| Maximum Packet Rate | DK500Hz |
| Minimum Packet Rate | 50Hz |
| Working Voltage | DC 5V |
| Weight | 0.8g |
| Dimensions | 16 × 12 × 6mm |
| Firmware Version | ExpressLRS v3.5.1 (pre-installed) |
| FW Target | RadioMaster XR2 2.4 RX |
| Bus Interface 1 | CRSF |
| Bus Interface 2 | UART |
Package Includes
- 1 * XR2 Nano 2.4GHz ExpressLRS Receiver
- 1 * CRSF Wire
- 3 * Heat-Shrinkable Tube
- 1 * Manual Card
