Overview:
The Radiomaster XR3 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20x15mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR3 operates seamlessly on 2.4GHz OR 868MHz bands. Delivering 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 868MHz
- ESP32C3 high-performance MCU
- Semtech LR1121 Transceiver
- Additional UART port
- Secondary port for advanced functionality
- Castled pads for easy soldering
Specification:
- Item: XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
- Type: ISM2.4, FCC915
- MCU: ESP32C3
- RF Chip: LR1121
- RF connector: IPEX-1 X 2
- Antenna: 2x T-Antenna
- Frequency Range: 2.4GHz/868MHz
- Telemetry Power: 100mw
- Maximum receive refresh rate: DK500Hz/K1000Hz
- Minimum receiver refresh rate: 25Hz
- Working voltage: DC 4.5-8.4V
- Weight: 1.3g (without antenna)
- Dimension: 22x15x4mm
- Firmware Version: ExpressLRS v3.5.1 pre-installed
- Bus interface 1: CRSF
- Bus interface 2: UART
Available Versions (See below for purchase options):
- Dual Band
- 2.4GHz
- 868MHz
Included:
- 1x Radiomaster XR3 Nano Multi-Frequency ELRS Receiver
- Accessories
