RadioMaster - DBR4 Dual Band Xross Gemini ExpressLRS Receiver

. The DBR4 is a cutting-edge dual-band, dual-channel Gemini receiver that ensures seamless compatibility with the Nomad module. Engineered for superior performance, the DBR4 boasts two dual-band sections, each capable of simultaneously receiving 2.4GHz and 900MHz signals. This innovative design allows for the reception of two data streams simultaneously, providing exceptional interference rejection and eliminating the risk of lost packets. With the DBR4, you can trust that your signal remains robust and reliable, giving you the confidence to push your limits and explore new horizons. Elevate your RC experience with the unparalleled connectivity and performance of the DBR4 Receiver.

Features

• Telemetry RF power: Max 2x 100mw
• Experience unmatched reliability with dual-band ELRS Gemini Xrossband
• ExpressLRS Gemini 2.4GHz
• ExpressLRS Gemini 868/900MHz
• 4 Descrete antennas for optimal antenna arrangement
• 20 X 20mm mounting holes
• Xrossband GemX support

Specification

• 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 wires & 2 x 900MHz wires
• Frequency Range: 2.404 - 2.479 GHz / 903.5 - 926.9 MHz
• Maximum receive refresh rate: 500Hz (1000Hz coming soon in ExpressLRS V3.4)
• Minimum receiver refresh rate: 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 Includes

• 1 * DBR4 Gemini Xrossband ExpressLRS Receiver
• 2 * 2.4 GHz wire antennas
• 2 * 900 MHz wire antennas
• 1 * CRSF wire
• 4 * 4mm Red vibration dampeners
• 4 * 3mm Black vibration dampeners
• 1 * Manual card