RadioMaster XR3 Nano Multi-Frequency Antenna Diversity - Dual Band
by RadioMaster

The RadioMaster XR3 Nano is a cutting-edge, ultra-compact ExpressLRS receiver designed to provide exceptional range and signal stability. Powered by the advanced Semtech LR1121 transceiver, it operates seamlessly on both 2.4GHz and Sub-G 900MHz bands. This receiver is perfect for any RC build, delivering reliability and outstanding performance in a small, lightweight package. The XR3 features antenna diversity for improved signal stability and range, ensuring you have the best connection regardless of your flight conditions.

Features:

• Antenna Diversity: For enhanced signal stability and extended range.
• Dual Band: Supports 2.4GHz and Sub-G 900MHz frequencies.
• Advanced Technology: ESP32C3 MCU and Semtech LR1121 Transceiver.
• Telemetry: 100mW telemetry power for reliable long-range communication.
• Built-In Wi-Fi: Effortless configuration and firmware updates via a WebUI.
• Solder-Friendly: Castled pads for easy installation.
• Flexible Configurations: Available in 2.4GHz, 900MHz, or Dual-Band options.

Specifications:

• Item Type: XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
• MCU: ESP32C3
• RF Chip: LR1121
• Frequency Range: 2.4GHz / Sub-G 900MHz
• Telemetry Power: 100mW
• Maximum Refresh Rate: DK500Hz / K1000Hz
• Minimum Refresh Rate: 25Hz
• Voltage: 5.0V - 12.6V
• Weight: 1.3g (without antenna)
• Dimensions: 22mm x 15mm x 4mm
• Bus Interfaces: CRSF, UART
• Antenna Configuration: 2x 900MHz T-Antennas (2.4GHz, 900MHz, or Dual-Band antennas available)
• Firmware Version: ExpressLRS v3.5.1 pre-installed
• Package Includes: XR3 Receiver, 2x Antennas (specific to frequency choice), CRSF wire, heat-shrinkable tubes, and manual.