The RadioMaster DBR4 Xrossband Gemini Receiver is the perfect match for the RadioMaster Nomad, bringing seamless compatibility and unmatched connectivity. Designed for pilots who demand performance, the DBR4 is a dual-band, dual-channel receiver that handles 2.4GHz and 900MHz signals simultaneously. This means two data streams at once, offering exceptional interference rejection and a reliable connection that keeps you in control, even in challenging conditions.
Built with two independent dual-band sections, the DBR4 doesn't just promise signal stability—it delivers. Whether you're pushing the limits of your RC aircraft or fine-tuning your latest FPV drone, this receiver ensures robust performance without the headache of lost packets.
Legal Notice:
This receiver includes a 900MHz ELRS transmitter. Usage of the 900MHz frequency in the UK is currently illegal. Users must flash the firmware onto the 868MHz band to comply with regulations.
Key Features:
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Unmatched Dual-Band Technology:
Experience dual-band ELRS Gemini Xrossband with simultaneous 2.4GHz and 900MHz reception.
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Powerful Telemetry:
Maximum telemetry RF power of 2x 100mW ensures clear, reliable communication.
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Optimized Antenna Arrangement:
Four discrete antennas provide superior signal strength and stability.
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Compact Design:
20x20mm mounting holes make it easy to integrate into any setup.
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GemX Xrossband Support:
Enhanced compatibility and performance for complex builds.
Specifications:
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Type:
ISM_2.4, FCC_915
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MCU:
ESP32
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RF Chip:
Semtech LR1121 x 2
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Telemetry RF Power:
Max 100mW
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Antenna Setup:
2 x 2.4GHz wires, 2 x 900MHz wires
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Frequency Range:
2.404 - 2.479 GHz / 903.5 - 926.9 MHz
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Receiver Refresh Rate:
Max 500Hz, Min 50Hz
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Working Voltage:
DC 4.5 - 8.4V
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Weight:
2.70g (without antennas), 5.30g (with antennas)
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Dimensions:
27.20 x 27.20mm
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Firmware Version:
ExpressLRS v3.3.2 pre-installed
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Bus Interface:
CRSF
What's in the Box:
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1x Radiomaster DBR4 Gemini Xrossband ELRS Receiver
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Assorted Accessories (may vary based on supply)
Disclaimer:
Accessories included may vary depending on supply. Always verify contents before use.