Description
Receiver Overview:
The RadioMaster XR4 Gemini Xrossband Dual-Band ELRS Receiver delivers next-level connectivity and reliability for demanding pilots. Designed with true diversity dual-band capability, it supports both 2.4GHz and Sub-G 900MHz bands using the advanced ExpressLRS Gemini Xrossband (Gem-X) protocol. Compact, lightweight, and equipped with dual T-type antennas, the XR4 provides outstanding reception stability while maintaining a small footprint that fits easily into drones and fixed-wing models.
About the Receiver
Unmatched Dual-Band Performance
Built with two independent LR1121 RF transceivers, the XR4 ensures unmatched versatility by allowing you to operate in single-frequency Gemini mode or dual-band Xrossband mode. Its powerful ESP32D4 MCU delivers ultra-low latency and refresh rates up to K1000Hz, making it ideal for both long-range and high-performance applications. The integrated Wi-Fi module provides hassle-free firmware updates and configuration via a WebUI, ensuring your setup stays future-ready and easy to manage. With robust construction and advanced features, the XR4 offers rock-solid RF links in even the most challenging environments.
Features:
- True diversity dual-band design
- Supports ExpressLRS 2.4GHz and Sub-G 900MHz
- Compatible with Gemini and Gemini Xrossband (Gem-X)
- Dual Semtech LR1121 RF transceivers
- ESP32D4 high-performance MCU
- Integrated Wi-Fi module for easy updates
- Secondary UART port for advanced use
- Castled pads for simple soldering
- Compact and lightweight design
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