---
product_id: 679073509
title: "RotorLogic RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver"
brand: "rotorlogic"
price: "€ 73.53"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/679073509-rotorlogic-radiomaster-dbr4-dual-band-dual-channel-xross-gemini-expresslrs
store_origin: FI
region: Finland
---

# Max 2x 100mW RF power Dual-band 2.4GHz & 868/900MHz Up to 500Hz refresh rate RotorLogic RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver

**Brand:** rotorlogic
**Price:** € 73.53
**Availability:** ✅ In Stock

## Summary

> 🚀 Stay Connected, Fly Fearlessly with DBR4 Dual-Band Power!

## Quick Answers

- **What is this?** RotorLogic RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver by rotorlogic
- **How much does it cost?** € 73.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/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

- • **Dual-Band Dominance:** Simultaneously receive 2.4GHz & 900MHz signals for unmatched signal integrity.
- • **Featherlight & Compact:** Just 5.3g with antennas and ultra-slim 20x20mm mounting for sleek integration.
- • **Lightning-Fast Refresh:** Up to 500Hz receive rate keeps your data ultra-responsive—1000Hz coming soon!
- • **Optimized Antenna Design:** Four discrete antennas with flexible arrangement for maximum signal reception.
- • **Power-Packed Performance:** Max 2x 100mW RF output ensures strong, interference-resistant telemetry.

## Overview

The RotorLogic RadioMaster DBR4 is a cutting-edge dual-band, dual-channel Gemini receiver designed for professional-grade telemetry. It supports simultaneous 2.4GHz and 868/900MHz reception with max 2x 100mW RF power, a refresh rate up to 500Hz, and features four discrete antennas for optimal signal reliability. Compact and lightweight, it’s engineered for seamless integration and superior interference rejection, making it the go-to choice for serious pilots demanding flawless connectivity.

## Description

RadioMaster DBR4 Dual Band Dual Channel Xross Gemini ExpressLRS Receiver

## 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 |
|---------------|-------|
| Product Dimensions | 2.54 x 2.54 x 0.25 cm; 4.54 g |
| Manufacturer recommended age | 14 years and up |
| Item model number | DBR4 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries Included? | No |
| Material Type(s) | Plastic |
| number_of_channels | 4 |
| Color | Black |
| ASIN | B0DP3PVSZQ |

## 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)

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

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-24*