FSY-FGR4S Flysky FGr4S 4-Channel AFHDS3 2.4GHz Receiver

FlySky FGr4S 4-Channel AFHDS3 Receiver FSY-FGR4S

The FlySky FGr4S is a high-performance 4-channel 2.4GHz receiver built on FlySky’s AFHDS3 protocol, designed for modern RC cars, crawlers, and racing setups that need fast response and strong signal reliability. It is known for its ultra-compact size and lightweight design, making it ideal for tight chassis installations like 1/10 and 1/18 scale builds.

Key features:

• 4-channel AFHDS3 receiver for surface RC models
• Dual antenna design for improved signal stability and range
• Supports PWM, PPM, i-BUS, and S.BUS outputs for flexible wiring
• Telemetry capable when paired with compatible FlySky transmitters
• Wide voltage input (3.5V–8.4V) for ESC/BEC compatibility
• Very lightweight (~5.1g class) and compact footprint
• Failsafe support for safety on signal loss