Receiver Radiomaster DBR4 Dual Band Xross Gemini ExpressLRS RX

Introducing the DBR4 receiver: the perfect companion for the RadioMaster Nomad. The DBR4 is Gemini's state-of-the-art dual-band, dual-channel receiver, offering seamless compatibility with the Nomad module. The DBR4 has two dual-band sections, either of which can immediately receive 2.4 GHz and 900 MHz signals. This innovative design allows two data streams to be received simultaneously, providing exceptional noise immunity and eliminating the risk of packet loss. With DBR4, you can rest assured that your signal remains strong and reliable, giving you the confidence to push your boundaries and explore new horizons. Improve your remote control experience with the unmatched connectivity and performance of the DBR4 receiver.

Features

Telemetry RF Power Max. 2x 100 mW

Experience unrivaled reliability with the dual-band ELRS Gemini Xrossband receiver

ExpressLRS Gemini 2.4 GHz

ExpressLRS Gemini 868/900 MHz

4 discrete antennas for optimal antenna placement

20 X 20mm mounting holes

Xrossband GemX support

Specification

Article: DBR4 Gemini Xrossband ExpressLRS receiver

Type ISM_2.4, FCC_915

MCU: ESP32

RF Chip: Semtech LR1121 x 2

RF telemetry power: 100 mW maximum

Antenna: 2 wires 2.4 GHz and 2 wires 900 MHz

Frequency range: 2.404 – 2.479 GHz / 903.5 – 926.9 MHz

Maximum receive refresh rate: 500 Hz (1000 Hz coming soon in ExpressLRS V3.4)

Minimum Receiver Update Rate: 50Hz

Operating voltage: DC 4.5 – 8.4V

Weight Without antennas 2.70g / With antennas 5.30g

Size: 27.20*27.20mm

Firmware Version: ExpressLRS v3.3.2 with pre-installed firmware

Bus interface: CRSF

Included in the package

1* DBR4 Gemini Xrossband ExpressLRS receiver

2*2.4 GHz wired antennas

2* wired antennas 900 MHz

1* CRSF wire

4*4 mm Red vibration dampers

4*3mm black vibration isolators

1* Card with instructions