The XR3 Receiver is a tiny ExpressLRS receiver, powered by the most up to date Semtech LR1121 transceiver. It operates Sub-G 900MHz, offering exceptional range and sensitivity in a compact form. It will fit a variety of drone frames. With built-in Wi-Fi, configuration, and firmware updates are effortless via an intuitive WebUI on your PC or mobile device.

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Features

• High-Performance MCU
• 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 900 Diversity RX
• Firmware Version: ExpressLRS v3.5.1 pre-installed
• Frequency Range: Sub-G 900MHz [FCC 915]
• 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: FCC 915

Includes

• 1x RadioMaster XR3 Nano Multi-Frequency Diversity Receiver – 900MHz