Kuvaus
The FlySky FGr4S is a compact and lightweight 4-channel receiver using the 2.4GHz AFHDS3 radio protocol. Designed for RC cars and boats, it is compatible with FlySky transmitters supporting AFHDS3, including the Noble NB4 series. Its built-in antenna and compact dimensions make installation easy, even in models with limited space. The FGr4S supports PWM, PPM, i-BUS and S.BUS signal outputs, along with bidirectional communication. Operating at 3.5–8.4V, the receiver offers a manufacturer-rated ground range of over 200 metres.
Technical Specifications
- Brand: FlySky
- Model: FGr4S
- Channels: 4
- Frequency: 2.4GHz
- Protocol: AFHDS3
- Range: over 200 m (ground)
- Operating voltage: 3.5–8.4V
- Signal outputs: PWM, PPM, i-BUS, S.BUS
- Antenna: built-in
- RSSI support: yes
- Bidirectional communication: yes
- Firmware updates: supported
- Operating temperature: –10°C to +60°C
- Dimensions: 25.5 × 22 × 17.3 mm
- Weight: 5.1 g
- Application: RC cars and boats








