Radiomaster DBR4 Dual Band Xross Gemini ExpressLRS RX Dual-Frequency Receiver
Radiomaster DBR4 is a new generation dual-frequency, dual-channel receiver from the Radiomaster brand, designed for maximum reliability and communication stability in FPV flights. The device is optimally combined with the RadioMaster Nomad module and is intended for pilots who require high control precision even in challenging conditions.
Key Features:
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Gemini Dual-Frequency Mode: Simultaneous operation in 2.4 GHz and 900 MHz bands ensures interference resistance and minimization of data packet loss.
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ExpressLRS Protocol Support: Innovative protocol with Gemini Xrossband support and potential upgrade to 1000 Hz for even greater data transmission speed and accuracy.
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Optimal Antenna Design: Four separate antennas (two for each band) guarantee high efficiency and stable signal reception.
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Small Size and Easy Installation: 20x20 mm mounting hole spacing allows for easy integration of the receiver into various drone models, including compact platforms.
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Minimal Latency and New Modes: Support for Gemini Mode (packet rate up to 150 Hz) and K1000 Full SubGHz for reliable operation during races or large data transfers.
Why Choose Radiomaster DBR4:
The DBR4 is designed for those who value communication stability and high telemetry refresh rates. The combination of two frequencies simultaneously allows for maintaining control in situations with strong interference, and the thoughtful antenna design ensures maximum sensitivity. Support for Gemini Xrossband, ExpressLRS modes, and firmware upgrade capability provide flexibility in configuring communication parameters according to your needs.
Package Contents:
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Radiomaster DBR4 Gemini Xrossband ExpressLRS Receiver
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2 x 2.4 GHz antennas
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2 x 900 MHz antennas
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CRSF cable
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4 red dampers (4 mm)
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4 black dampers (3 mm)
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Manual
The Radiomaster DBR4 is an ideal solution for professional FPV pilots and enthusiasts looking for a reliable dual-frequency receiver with minimal latency and extensive customization options. Brand: Radiomaster. Product Category: Drones & Quadcopters > Receivers. The receiver is suitable for racing, freestyle, and challenging flight conditions where telemetry and control continuity are critical.
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