The XR3 Receiver is a compact ExpressLRS receiver from RadioMaster. Powered by the most up to date Semtech LR1121 transceiver. This RX operates on 2.4GHz, with this tiny form factor, measuring 20 x 15mm it is ready for a variety of drones. The built-in Wi-Fi allows easy configuration and updates through a WebUI on your PC or mobile device.

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Features

• High-Performance MCU
• Advanced Transceiver
• Additional UART Port
• Antenna Diversity
• Secondary Port
• Castled Pads

Specifications

• Item: XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
• Maximum Receive Refresh Rate: DK500Hz / K1000Hz
• Firmware Target: RadioMaster XR3 2.4 Diversity RX
• Firmware Version: ExpressLRS v3.5.1 pre-installed
• Frequency Range: 2.4GHz [ISM 2.4GHz]
• Minimum Receiver Refresh Rate: 25Hz
• Dimensions: 22mm x 15mm x 4mm
• Antenna: 2x T-Antenna (Dual Band)
• Working Voltage: DC 5.0 – 12.6V
• Weight: 1.3g (without antenna)
• Telemetry Power: 100mW
• RF Connector: IPEX-1 x 2
• Bus Interface 2: UART
• Bus Interface 1: CRSF
• RF Chip: LR1121
• MCU: ESP32C3
• Type: ISM 2.4

Includes

• 1x RadioMaster XR3 Nano Multi-Frequency Diversity Receiver – ELRS 2.4GHz