Flysky FGR8B 2.4GHz 8CH AFHDS 3 RC Receiver
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Description
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.
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
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
Specifications
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.
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.
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
Shipping Info
🏭 Fulfillment Warehouses
SoarSky operates warehouses in the US, Europe, and China. Orders are fulfilled from the nearest local warehouse. If local stock is unavailable, your order will ship from our China warehouse and international shipping times will apply.
💰 Shipping Rates
| Type | Condition | Cost |
|---|---|---|
| Free Shipping | Orders over $100 | Free |
| Standard Shipping | Orders under $100 | Based on weight & address |
| International Shipping | All international orders | Based on destination & weight |
⏱️ Dispatch & Delivery Times
| Region | Estimated Delivery |
|---|---|
| Domestic (US) | 5–10 business days |
| International | 10–15 business days |
* Customs processing may affect international delivery times.
🚫 Shipping Restrictions
Some remote areas may experience longer delivery times or limited shipping options. We will notify you if any issues arise.
📦 Order Tracking
Once your order ships, you will receive a confirmation email with a tracking number. Track your shipment via:
| Platform | Link |
|---|---|
| 17Track | www.17track.net |
| SoarSky Order Tracker | soarskyrc.com/pages/track-order-1 |
📬 Contact Us
If you encounter any issues such as damaged items or lost packages, please contact our customer service team as soon as possible and we will work to resolve it promptly.