Flysky FGr4S AFHDS 3 4-Channel Micro Receiver Noble NB4 FS-FGR4S
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The Flysky FGr4S is a compact 4-channel bidirectional AFHDS 3 surface receiver for compatible Flysky Noble and Paladin radio systems, offering PWM PPM i-BUS and S.BUS outputs, built-in antenna convenience and RSSI support in a lightweight package for RC cars and boats
Features
- Compact 4-channel surface receiver
- Flysky AFHDS 3 2.4GHz protocol
- Bidirectional communication support
- Built-in single antenna for clean compact installations
- Supports PWM PPM i-BUS and S.BUS outputs
- RSSI support
- Online firmware update capability
- LED status indicator
- Wide 3.5V to 8.4V input voltage range
- Designed for compatible RC cars and boats
- Works with Flysky Noble NB4 family transmitters and other supported AFHDS 3 radios
Specifications
- Brand: Flysky
- Model: FGr4S
- Product Type: Surface Receiver
- Channels: 4 PWM Channels
- Application: RC Car and Boat
- Frequency: 2.4GHz
- Protocol: AFHDS 3
- Range: Greater Than 200m Ground Range Under Suitable Conditions
- Antenna: Built-In Single Antenna
- Input Voltage: 3.5V to 8.4V
- Data Outputs: PWM PPM i-BUS and S.BUS
- RSSI: Supported
- Online Update: Yes
- Operating Temperature: -10°C to +60°C
- Operating Humidity: 20% to 95%
- Dimensions: 25.5 x 22 x 17.3mm
- Weight: 5.1g
- Certification: CE MIC RCM
- FCC ID: N4ZFGRS400
- Barcode: 8793000027000
- Manufacturer Part Number: FS-FGR4S
Compatibility
- Flysky Noble NB4
- Flysky Noble NB4 Lite
- Flysky Noble NB4 Pro
- Flysky Noble NB4+
- Flysky Noble NB4 Pro+
- Flysky Paladin PL18 Series
- Other compatible Flysky AFHDS 3 transmitters specifically supporting the FGr4S
Includes
- 1 x Flysky FGr4S 4-Channel AFHDS 3 Receiver
- 1 x Binding Cable
FAQ
Does the FGr4S work with the Flysky Noble NB4? Yes, Flysky officially lists the Noble NB4 and multiple NB4 variants as compatible transmitters for the FGr4S
What output types does the FGr4S support? It supports standard PWM and PPM outputs as well as i-BUS and S.BUS serial outputs
Does the FGr4S have an external antenna wire? No, it uses a built-in single antenna which helps keep installations compact
Does the FGr4S support telemetry or receiver signal feedback? The receiver supports bidirectional AFHDS 3 communication and RSSI feedback, with available functionality depending on the connected transmitter and system configuration
Can the firmware be updated? Yes, Flysky lists online update support for the FGr4S
Important Notes
- Use only with compatible Flysky AFHDS 3 transmitters
- Confirm transmitter firmware and receiver compatibility before binding
- Install the receiver away from large metal or conductive components where possible for reliable RF performance
- The FGr4S uses a binding cable through its dedicated BIND port