RadioMaster XR3 Nano Multi-Frequency ELRS Receiver w/Antenna Diversity (900MHz)

Receiver Overview:

The RadioMaster XR3 Nano Multi-Frequency ELRS Receiver is a compact and powerful solution designed for pilots who demand reliability and flexibility. Measuring just 20x15mm and weighing only 1.3g, this receiver fits seamlessly into a wide range of aircraft builds. With support for two 900MHz bands, it offers outstanding range, low latency, and consistent performance through ExpressLRS technology. Whether you’re flying freestyle, racing, or long-range missions, the XR3 ensures a stable connection you can count on.

About the Receiver

Unmatched Performance

The XR3 Nano Receiver packs advanced capabilities into its ultra-small frame, making it ideal for high-performance applications. Antenna diversity enhances range and stability, while dual-band support gives you the freedom to switch between two frequencies without swapping hardware. With built-in Wi-Fi, updates and configuration are effortless, and the additional UART port adds versatility for more advanced setups. Combined with its lightweight design and ExpressLRS firmware pre-installed, the XR3 is ready to elevate your flying experience.

Features:

• Multi-frequency operation (900MHz)
• Antenna diversity for stronger signal reliability
• ExpressLRS v3.5.1 pre-installed
• ESP32C3 high-performance MCU
• Semtech LR1121 transceiver for exceptional sensitivity
• Built-in Wi-Fi with WebUI configuration
• Additional UART port for advanced functionality
• Castled pads for easy soldering
• Lightweight design at only 1.3g
• Compact dimensions: 22x15x4mm

Includes:

• (1) XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
• (2) T Antennas (900MHz)
• (1) CRSF Wire
• (3) Heat-Shrinkable Tubes
• (1) Manual Card

Specifications:

Manuals:

User Manual

This product was added to our catalog on September 11, 2025