EDITHFPV IronLink RX-4X XrossBand 2.4GHz and Sub-GHz ExpressLRS Receiver

Reliable Performance. Compact Design. Strong link.

The EDITHFPV IronLink RX-4X XrossBand is an ultra-lightweight (2.75gm) multiband ExpressLRS receiver designed for FPV pilots and industrial applications which demands a dependable control link without adding unnecessary weight. Powered by ExpressLRS v3.6.0, the RX-4X delivers low latency, long-range performance, and exceptional reliability in a compact form factor.

Weighing just 2.75 grams including the antenna, the RX-4X is an excellent choice for racing drones, freestyle builds, long-range quads, fixed-wing aircraft, and other lightweight UAV applications where every gram matters.

Whether you're building your first FPV quad or upgrading an existing platform, the IronLink RX-4X integrates seamlessly into your setup and is fully compatible with ExpressLRS 2.4GHz transmitters.

---

Key Features

• ExpressLRS v3.6.0 pre-installed
• 2.4GHz and Sub-GHz ExpressLRS protocol
• Ultra-lightweight design (2.75gm including antenna)
• Compact 28 × 28 mm PCB, mounting 20X20mm
• XrossBand technology for reliable link
• 100mW power in all Bands
• Low latency and high refresh rates
• Excellent link reliability for FPV and UAV applications
• Easy firmware updates through the ExpressLRS ecosystem
• Designed for racing, freestyle, long-range, and fixed-wing platforms

For detailed specification and flashing guide. Please visit: https://docs.edsystems.in/