Receiver Overview: The Flysky FS-R4B 4-Channel Receiver is a compact and reliable solution for RC enthusiasts looking to expand or upgrade their radio systems. Designed to work with the ANT protocol, this receiver offers a stable 2.4GHz connection and supports up to four PWM channels. Its small form factor makes it an excellent fit for RC cars, boats, or other compact applications, without sacrificing range or signal integrity. With support for RSSI and online updates, it brings modern functionality in a lightweight, durable package. About the Receiver Compact Performance with Core Functionality The FS-R4B is engineered for high-performance operation in a variety of conditions. With a signal range of up to 300 meters and support for real-time signal strength feedback (RSSI), this receiver ensures precise control and greater confidence in your connection. Its wide input voltage range, online update capability, and weather-resistant design make it ideal for serious hobbyists and everyday users alike. Features: 4 PWM channels 2.4GHz ANT protocol Ground range of 100–300 meters Compact design with single antenna Supports RSSI for signal strength monitoring Online update capable Input power range of 3.5–8.4V Lightweight at only 5g Operating temperature: -10°C to +60°C
