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RadioMaster DBR4 Dual Band Xross Gemini ELRS 2.4G/900M Receiver
DBR4 receiver: the ideal companion for the RadioMaster Nomad. The DBR4 is a top-of-the-line Gemini dual-band receiver that ensures seamless compatibility with the Nomad module. Designed for superior performance, the DBR4 features two dual-band sections that allow simultaneous reception of 2.4GHz and 900MHz signals. This innovative design allows two data streams to be received simultaneously, providing exceptional immunity to interference and eliminating the risk of packet loss. With DBR4, you can trust that your signal will remain strong and reliable, giving you the confidence to push your limits and explore new horizons.
Features:
- Telemetry RF power: Max 2x 100mw
- Unrivaled reliability with dual band ELRS Gemini Xrossband
- ExpressLRS Gemini 2.4GHz
- ExpressLRS Gemini 868/900MHz
- 4 separate antennas for optimal arrangement
- Mounting holes 20 x 20mm
- Xrossband GemX Support
Specifications:
- Item: DBR4 Gemini Xrossband ExpressLRS Receiver
- Type: ISM_2.4, FCC_915
- MCU: ESP32
- RF chip: Semtech LR1121 x 2
- Telemetry RF power: Max 100mW
- Antenna: 2 x 2.4GHz wire antennas & 2 x 900MHz wire antennas
- Frequency range: 2.404 - 2.479 GHz / 903.5 - 926.9 MHz
- Max receiver refresh rate: 500Hz (1000Hz coming soon in ExpressLRS V3.4)
- Minimum refresh rate of the receiver: 50Hz
- Working voltage: DC 4.5 - 8.4V
- Weight: Without antennas 2.70g / With antennas 5.30g
- Dimension: 27.20 * 27.20mm
- Firmware version: ExpressLRS v3.3.2 pre-installed
- Bus interface: CRSF
Package contents:
- 1x DBR4 Gemini Xcrossband ExpressLRS Receiver
- 2x 2.4 GHz wire antennas
- 2x 900 MHz wire antennas
- 1x CRSF cable
- 4x 4mm red vibration dampers
- 4x 3mm black vibration dampers
- 1x Manual card