---
product_id: 679073509
title: "RotorLogic RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver"
brand: "rotorlogic"
price: "¥27674"
currency: JPY
in_stock: true
reviews_count: 2
category: "Rotor Logic"
url: https://www.desertcart.jp/products/679073509-rotorlogic-radiomaster-dbr4-dual-band-dual-channel-xross-gemini-expresslrs
store_origin: JP
region: Japan
---

# Max 2x 100mW RF power Dual-band 2.4GHz & 900MHz Up to 500Hz refresh rate RotorLogic RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver

**Brand:** rotorlogic
**Price:** ¥27674
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your FPV game with the DBR4 – where speed meets signal supremacy!

## Quick Answers

- **What is this?** RotorLogic RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver by rotorlogic
- **How much does it cost?** ¥27674 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/679073509-rotorlogic-radiomaster-dbr4-dual-band-dual-channel-xross-gemini-expresslrs)

## Best For

- rotorlogic enthusiasts

## Why This Product

- Trusted rotorlogic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Featherlight & Versatile:** Compact 20x20mm mount, ultra-lightweight at just 5.3g with antennas—perfect for high-performance FPV drones.
- • **Optimized Antenna Design:** Four discrete antennas with flexible arrangement for superior reception and minimal signal loss.
- • **Power-Packed Performance:** Max 200mW output ensures robust, interference-free connectivity even in crowded airwaves.
- • **Seamless Dual-Band Mastery:** Simultaneously receive 2.4GHz & 900MHz signals for unmatched signal integrity.
- • **Lightning-Fast Refresh Rates:** Up to 500Hz receive rate (1000Hz coming soon) for ultra-responsive control and precision.

## Overview

The RotorLogic RadioMaster DBR4 is a cutting-edge dual-band, dual-channel ExpressLRS Gemini receiver designed for FPV drones. It features simultaneous 2.4GHz and 900MHz reception, max 200mW RF power, and a refresh rate up to 500Hz, ensuring ultra-reliable, low-latency control. With four discrete antennas and a lightweight, compact design, the DBR4 delivers superior signal integrity and interference rejection, making it the go-to choice for professional drone pilots seeking peak performance.

## Description

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.

Review: Good
Review: Very very large.

## Features

- Telemetry RF power: Max 2x 100mw
- ExpressLRS Gemini 2.4GHz; ExpressLRS Gemini 868/900MHz
- 4 Descrete antennas for optimal antenna arrangement; 20 X 20mm mounting holes; Xrossband GemX support
- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DP3PVSZQ |
| Audio Output Mode | Surround |
| Audio Output Type | Headphones, RCA |
| Best Sellers Rank | #27,540 in Toys ( See Top 100 in Toys ) #10 in RC Vehicle Radio Receivers |
| Brand | RotorLogic |
| Built-In Media | 2.4 GHz wire antennas; 900 MHz wire antennas, Accessories, DBR4 receiver |
| Color | Black |
| Compatible Devices | FPV Drone |
| Compatible devices | FPV Drone |
| Connectivity Technology | Radio Frequency |
| Connectivity technology | Radio Frequency |
| Connector Type | HDMI |
| Connector type | HDMI |
| Control Method | Touch |
| Controller Type | Hand Control |
| Controller type | Hand Control |
| Customer Reviews | 4.7 out of 5 stars 6 Reviews |
| Item Weight | 5 g |
| Manufacturer | RadioMaster |
| Model Number | DBR4 |
| Number of Channels | 4 |
| Other Special Features of the Product | ELRS |
| Output Power | 200 Milliwatts |
| Output Wattage | 200 Milliwatts |
| Special features | ELRS |
| Surround Sound Channel Configuration | 5.1 |
| UPC | 810020966596 |
| Video Encoding | RM |
| Wattage | 200 Milliwatts |
| Wireless Technology | 2.4GHz, 868/900MHz |

## Product Details

- **Brand:** RotorLogic
- **Connectivity technology:** Radio Frequency
- **Controller type:** Hand Control
- **Special features:** ELRS
- **Compatible devices:** FPV Drone

## Images

![RotorLogic RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver - Image 1](https://m.media-amazon.com/images/I/51hP24rXTgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by N***N on 14 January 2025*



### ⭐⭐⭐⭐ Very very large.
*by F***S on 28 November 2025*



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**Shop now:** [https://www.desertcart.jp/products/679073509-rotorlogic-radiomaster-dbr4-dual-band-dual-channel-xross-gemini-expresslrs](https://www.desertcart.jp/products/679073509-rotorlogic-radiomaster-dbr4-dual-band-dual-channel-xross-gemini-expresslrs)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-12*