Flysky FGR8B 2.4GHz 8CH AFHDS 3 RC Receiver

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When your RC car or boat build needs more than the usual four channels, the Flysky FGR8B gives you 8-channel control over an AFHDS 3 link. Its single-antenna, bidirectional design supports PWM, PPM, and i-BUS output, making it a practical match for Flysky NB4-series radios, PL18 transmitters, and compatible AFHDS 3 RF modules. 📋 Contents Key Features Gallery Specifications Transmitter Compatibility FAQ Related Reading Key Features ✅ 8 PWM Channels — extra channels for lights, winches, servos, sensors, and other RC accessories ✅ AFHDS 3 Protocol — Flysky 2.4GHz third-generation digital system with bidirectional transmission ✅ Single-Antenna Design — a compact receiver layout for clean installation in RC cars and boats ✅ Flexible Signal Output — supports PWM, PPM, and i-BUS output for different receiver and control setups ✅ Wide Input Voltage — 3.5–9V DC input for common RC power systems ✅ Online Firmware Update — update through a compatible transmitter without a PC ✅ Bidirectional Communication — supports two-way communication with compatible AFHDS 3 transmitters and RF modules ↑ Back to Contents Gallery Flysky FGR8B — 8-channel AFHDS 3 receiver for RC car and boat installations Flysky FGR8B — single-antenna receiver with PWM, PPM, and i-BUS output support Flysky FGR8B — dimensions and product specification reference ↑ Back to Contents Specifications ParameterValue ModelFGR8B Channels8 PWM RF Frequency2.4GHz ProtocolAFHDS 3 AntennaSingle antenna Input Power3.5–9V DC Data OutputPWM / PPM / i-BUS Dimensions35 × 23.3 × 13.3mm Weight9.4g (published product specification) Temperature Range-10°C to +60°C Humidity Limit20%–95% Online UpdateYes, via transmitter CertificationCE, FCC ID: N4ZFGR8B ↑ Back to Contents Transmitter Compatibility The FGR8B is designed for Flysky AFHDS 3 transmitters and compatible RF modules, including: Flysky NB4 Flysky NB4+ Flysky NB4 Pro Flysky NB4 Pro+ Flysky NB4 Lite Flysky PL18 and other AFHDS 3-capable transmitters or RF modules ⚠️ Confirm that your transmitter or RF module supports AFHDS 3 before ordering. AFHDS 2A and other non-AFHDS 3 systems are not interchangeable with this receiver. ↑ Back to Contents Frequently Asked Questions How many channels does the FGR8B provide?The FGR8B provides 8 PWM channels for servos, lights, winches, sensors, and other compatible RC accessories. Which transmitters work with the FGR8B?It is intended for AFHDS 3 systems, including Flysky NB4, NB4+, NB4 Pro, NB4 Pro+, NB4 Lite, PL18, and compatible AFHDS 3 RF modules. Which signal outputs are supported?The published specification lists PWM, PPM, and i-BUS output. Check your equipment manual before choosing the connection method. Can the receiver firmware be updated online?Yes. The published specification supports online updating through a compatible transmitter. Is the FGR8B suitable for RC cars and boats?Yes. The published model type covers RC cars and boats, subject to your transmitter, power system, and channel wiring requirements. ↑ Back to Contents Ready for more control in your next build? Add the Flysky FGR8B to an AFHDS 3 RC car or boat setup when eight channels and flexible signal output matter. Related Reading Choosing between Flysky AFHDS 3 receivers? These SoarSky guides explain the main differences and help match a receiver to your vehicle and transmitter: 📖 The Difference Between Flysky AFHDS 3 Receivers — compare channel counts, outputs, antennas, and use cases 📖 Flysky AFHDS 3 Receiver Buying Guide 2026 — choose a receiver for your transmitter and RC build 📖 How to Choose a Flysky AFHDS 3 Receiver for Boat & Ground Vehicles — application-focused receiver selection guidance Show more