XR3 Nano DB Multi-Frequency Antenna Diversity ExpressLRS Receiver
Product detailed description
Radiomaster XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
The Radiomaster XR3 Nano is an ultra-compact, high-performance ExpressLRS receiver designed for maximum flexibility and reliability. Powered by the advanced Semtech LR1121 transceiver, it supports both 2.4 GHz and Sub-G 900 MHz frequency bands, allowing pilots to select the optimal frequency for their specific environment or application. This dual-frequency capability offers superior range, adaptability, and link stability across a wide range of FPV scenarios.
Key Features:
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Dual-Frequency Support – Seamlessly switch between 2.4 GHz and Sub-G 900 MHz to match your flying needs and conditions
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Antenna Diversity – Equipped with two antennas to provide enhanced signal stability and reduce the chance of dropouts
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Ultra-Compact Design – Measuring only 22 × 15 × 4 mm and weighing just 1.3 g (without antennas), perfect for tight builds
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High Telemetry Output – Up to 100 mW telemetry power for robust and reliable data transmission
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Built-In Wi-Fi – Allows for convenient wireless firmware updates and configuration through the WebUI
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Flexible Antenna Options – Supports dual-band, 2.4 GHz, or Sub-G 900 MHz antennas depending on your setup
Technical Specifications:
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Model: XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
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MCU: ESP32C3
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RF Chip: Semtech LR1121
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Frequency Bands: 2.4 GHz / Sub-G 900 MHz
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Telemetry Power: Up to 100 mW
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Update Rate: Up to 500Hz / F1000Hz
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Input Voltage: 5.0 – 12.6 V DC
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Weight: 1.3 g (without antennas)
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Dimensions: 22 × 15 × 4 mm
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Firmware: ExpressLRS v3.5.1 (pre-installed)
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Interfaces: CRSF, UART
Package Contents:
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1× XR3 Nano Multi-Frequency ExpressLRS Receiver
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2× T Antennas (based on selected frequency version)
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1× CRSF Cable
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3× Heat Shrink Tubes
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1× User Manual
The Radiomaster XR3 Nano is the perfect receiver for pilots who need a space-saving, highly adaptable solution. Its dual-frequency support and antenna diversity ensure maximum performance—whether you're racing, flying freestyle, or going long range.