RadioMaster DBR4 Dual Band ELRS Xross Gemini ExpressLRS Receiver

RM121.00 MYR
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RadioMaster DBR4 Dual Band ELRS Xross Gemini ExpressLRS Receiver

Introducing the DBR4 Receiver—the ideal match for the RadioMaster Nomad. This advanced dual-band, dual-channel Gemini receiver ensures seamless compatibility with the Nomad module. With its ability to simultaneously receive 2.4GHz and 900MHz signals, the DBR4 offers exceptional interference rejection and reliable signal integrity. Trust the DBR4 for robust performance and explore new horizons with confidence.

Features

Supports ExpressLRS Gemini 868/900MHz
Supports ExpressLRS Gemini 2.4GHz
2x 100mw Telemetry RF Power
Gemini Xrossband Technology
Advanced Cooling System
20x20 Mounting Holes
4 Discrete Antennas
Compatibility

INTRODUCTION OF K MODES

K1000 Full SubGHz (Coming in ExpressLRS V3.5)

Yes, you read that right—1000Hz in the 868/900MHz domain! While this mode is designed for maximum data throughput when used with MAVLink, don't let the 1000Hz fool you; during development, it was tested for long-range performance.

DK500 (Coming in ExpressLRS V3.5)

Designed specifically from the ground up for speed enthusiasts and RC reliability. K modes are next-generation FSK modulation with built-in packet repair (Forward Error Correction). Similar to FLRC D500, DK500 sends repeat packets to minimize packet loss in challenging race environments. Paired with a Gemini-enabled Tx and Rx, nothing compares to its RC reliability.

NEW PACKET RATES

Sub-GHz 200Hz Full (-111dBm)

Optimized for MAVLink: Double the packet rate of current 900MHz SX1276 hardware, tailored specifically for MAVLink users to provide a more robust link and reduced interference.

Dual Band X100Hz Full (-112dBm)

Enhanced Gemini Mode: Enjoy dual-frequency transmission with a 100Hz packet rate and full 16-channel resolution, ensuring strong and stable connectivity even in challenging environments.

Dual Band X150Hz (-112dBm)

Gemini Mode: Experience simultaneous sub-GHz and 2.4GHz transmissions, offering robust performance and reduced interference with a packet rate of 150Hz.

Sub-GHz 250Hz (-111dBm)