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Description
RadioMaster DBR4 Dual-Band Xross Gemini ExpressLRS ReceiverIntroducing the DBR4 Receiverthe 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. VIDEO: RadioMaster Nomad ExpressLRS Module
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.
VIDEO: RadioMaster Nomad ExpressLRS Module – Next-Level Dual-Band Performance!
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)
- Speed Boost: Achieve faster packet rates with enhanced sub-GHz performance.
Specifications
- Maximum Receive Refresh Rate: 500Hz (1000Hz coming soon in ExpressLRS V3.4)
- Frequency Range: 2.404 - 2.479 GHz / 903.5 - 926.9 MHz
- Weight: 2.70g (without antennas) / 5.30g (with antennas)
- Item: DBR4 Gemini Xrossband ExpressLRS Receiver
- Firmware Version: ExpressLRS v3.3.2 pre-installed
- Antenna: 2 × 2.4GHz Wires & 2 × 900MHz Wires
- Minimum Receiver Refresh Rate: 50Hz
- Telemetry RF Power: Max 100mW
- Working Voltage: DC 4.5 - 8.4V
- Dimensions: 27.20 × 27.20 mm
- RF Chip: Semtech LR1121 × 2
- Type: ISM_2.4, FCC_915
- Bus Interface: CRSF
- MCU: ESP32
Includes
- 1x RadioMaster DBR4 Dual-Band Xross Gemini ExpressLRS Receiver
- 4x 3mm Black Vibration Dampeners
- 4x 4mm Red Vibration Dampeners
- 1x Manual Card
- 1x CRSF Wire
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 3
3 Star Read,
Format: Kindle
This book wasn't bad, but wasn't my cup of tea. It's highly disappointing because the storyline is so original. There is no real conflict or resolution, so the entire thing feels flat.
As a lover of omegaverse books, I know there is a ton of variety out there, and ov is really up to the author. But this one is weird. Omegas have multiple scent glands all over their bodies and go into week long heats every month. Alphas have knots in the middle of their shaft instead of the base, and the knot doesn't always swell, no explanation of when or why. It doesn't engage at all when the mouth is in play.
I also didn't enjoy the author's writing style. Each paragraph is only 1 or 2 sentences long, and the entire book reads very stacato. The conversations are stiff and unnatural feeling. Everything is very repetitive, both in word choice and in thought. The same thing is repeated 3 or 4 times over a single page, multiple times over. I ended up doing so much skimming.
The first 50% of the book is all slow burn, and the last 50% is almost straight mediocre spice. This wouldn't have been all bad if the grammar and spelling errors didn't start at the exact same time. Tongue is repeatedly misspelled in the middle of the spice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 14, 2024
★★★★★ 5
Cozy Omegaverse
Format: Kindle
This is the true definition of Cozy Omegaverse. LA wedding coordinator meets her pack at the location for a couple’s destination wedding. Low angst because they are scent matched high heat with heats and knots. Everything you love about this genre with very little anxiety. Simply a fun experience to read and a book I will comeback to when I’m in a slump. I simply love reading this book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
★★★★★ 4
Cute Omegaverse story
Format: Kindle
3.75 stars and 2 for spice. Adorable Omegaverse story about a wedding planner who has to go to a small town to plan a wedding for a movie star. While there, she meets her pack. This covers her struggles of not living there but trying to keep her relationship going with her 3 Alphas.
It's a quick read and cute, so I recommend it for people who like light-hearted RH stories.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2025
★★★★★ 3
real good
Format: Kindle
This was a solid read for the ABO universe. The characters are great. The smut scenes were well written. And the town is so cute I want to go there. It didn’t have much character development it just felt like I was getting to the characters as they were getting to know each other.
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Reviewed in the United States on April 27, 2025
★★★★★ 5
So sweet
Format: Kindle
It’s so unexpectedly sweet that it sneaks up on you. Each character is so unique and charming. I love the openness and honesty among their pack. It really blows me away how wonderful this omegaverse trope plays out.
I received a free copy of this book and am voluntarily leaving a review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
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