Receiver RadioMaster XR3 Nano Multi-Frequency 868/915MHz Diversity

The XR3 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20x15mm. Powered by the advanced third-generation Semtech LR1121 transceiver, it operates on 2.4GHz & 868/915MHz bands. 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.

The XR3 receiver features a Skyworks RFX2401C providing an LNA for improved receiver performance, a PA providing up to 100mW of telemetry performance and antenna switching for antenna diversity.

Features:
- Antenna Diversity for improved signal stability and range
- ExpressLRS 2.4GHz & Sub-G 868/915MHz
- 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 Dual-band
Frequency Range: Sub-G 868/915MHz/2.4GHz
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
FW Target:  RadioMaster XR3 2.4/900  Diversity RX
Bus interface 1:  CRSF
Bus interface 2: UART

Package Include: 
1x XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
2x T-Antenna Dual-band
1x CRSF Wire
3x Heat-Shrinkable Tube