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RadioMaster DBR4 Dual Band Gemini ExpressLRS Receiver Module 2.4GHZ 868/900MHZ RX Antenna Remote Control FPV Racing Drone Parts

Brand Name:	OEM ODM
MOQ:	2 pieces
Price:	CN¥228.58/pieces 2-99 pieces

Detail Information

Product Description

Detail Information

Place of Origin:

China

Application:

Public Places, UAV FPV Drone

Feature:

Durable, Remote Control

Product Name:

DBR4 Dual Band Xross Gemini ExpressLRS Receiver Module

Function:

Finds Use On Long-range Drones

Feature:

For Radiomaster Receiver

Highlight:

ExpressLRS Receiver Module

FPV Racing Drone Parts

868 900MHZ RX Receiver

Product Description

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	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

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

New Packet Rates

Sub-GHz 250Hz (-111dBm)

* Speed Boost: Achieve faster packet rates with enhanced sub-GHz performance.

Sub-GHz 200Hz Full (-111dBm)

* Optimized for Mavlink: Double the packet data of current 900 SX1276 , catering specifically to Mavlink users for a more link and reduced interference.

Dual Band X150Hz (-112dBm)

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

Dual Band X100Hz Full (-112dBm)

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

Weight

Size

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

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RadioMaster DBR4 Dual Band Gemini ExpressLRS Receiver Module 2.4GHZ 868/900MHZ RX Antenna Remote Control FPV Racing Drone Parts

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RadioMaster DBR4 Dual Band Gemini ExpressLRS Receiver Module 2.4GHZ 868/900MHZ RX Antenna Remote Control FPV Racing Drone Parts

Brand Name:	OEM ODM
MOQ:	2 pieces
Price:	CN¥228.58/pieces 2-99 pieces

Detail Information

Product Description

Detail Information

Place of Origin:

China

Brand Name:

OEM ODM

Application:

Public Places, UAV FPV Drone

Feature:

Durable, Remote Control

Product Name:

DBR4 Dual Band Xross Gemini ExpressLRS Receiver Module

Function:

Finds Use On Long-range Drones

Feature:

For Radiomaster Receiver

Minimum Order Quantity:

2 pieces

Price:

CN¥228.58/pieces 2-99 pieces

Highlight:

ExpressLRS Receiver Module

FPV Racing Drone Parts

868 900MHZ RX Receiver

Product Description

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	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

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

New Packet Rates

Sub-GHz 250Hz (-111dBm)

* Speed Boost: Achieve faster packet rates with enhanced sub-GHz performance.

Sub-GHz 200Hz Full (-111dBm)

* Optimized for Mavlink: Double the packet data of current 900 SX1276 , catering specifically to Mavlink users for a more link and reduced interference.

Dual Band X150Hz (-112dBm)

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

Dual Band X100Hz Full (-112dBm)

Weight

Size

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