Overview
The RadioLink R8FG V2.1 is a high-performance 8-channel dual antenna receiver designed for RC cars, boats, and robots. Featuring SBUS and PWM signal output, integrated gyro for stability enhancement, IPX4 waterproof coating, and real-time telemetry, the R8FG provides up to 600 meters control range and ultra-fast 3ms response when paired with RC8X transmitter. Operating within the 2.4GHz ISM band and equipped with FHSS 67-channel pseudo-random frequency hopping, the R8FG ensures strong anti-interference performance for reliable control in challenging environments.
Key Features
-
8 Channels Output: Supports SBUS + PWM for versatile compatibility.
-
3ms Low Latency: Achieved when paired with RC8X using digital servos.
-
Integrated Gyro: With adjustable sensitivity for enhanced driving stability.
-
Real-Time Telemetry: Monitors battery voltage, RSSI, and receiver voltage (supports up to 8S, 33.6V).
-
IPX4 Waterproof: PCB and pins are nano-coated for splash protection.
-
600 Meters Control Distance: Stable long-range signal transmission on ground.
-
FHSS Protocol: 67-channel pseudo-random frequency hopping for anti-interference.
-
Wide Transmitter Compatibility: Works with RC8X, RC6GS V2/V3, RC4GS V2/V3, T8FB, T8S, and more.
Specifications
| Item | Details |
|---|---|
| Channels | 8 |
| Antenna Length | 205mm (8.07") |
| Dimensions | 35 × 24 × 13.5 mm (1.38” × 0.94” × 0.53”) |
| Weight | 10.5g (0.37oz) |
| Signals Output | SBUS + PWM |
| Operating Voltage | 3 – 12V |
| Operating Current | 35mA @ 5V |
| Frequency Band | 2.4GHz ISM Band (2400MHz–2483.5MHz) |
| Spread Spectrum Mode | FHSS, 67 channels pseudo-random frequency hopping |
| Section Precision | 4096, 0.25μs per section |
| Response Time | 3ms (with RC8X) |
| Telemetry Function | Model battery voltage, RSSI, receiver voltage (max 8S / 33.6V) |
| Gyro Sensitivity | Adjustable via transmitter switch (e.g., PS3 on RC8X) |
| Waterproof Rating | IPX4 nano-coating on PCB and pins |
| Applicable Models | RC Cars (Crawler, Tank, Drift), Boats, Robots |
| Control Distance | Up to 600 meters (ground) |
| Compatible Transmitters | RC8X, RC6GS V3/V2, RC4GS V3/V2, RC6GS, RC4GS, T8FB, T8S (BT & OTG versions) |
Package List
| Item | Quantity |
|---|---|
| R8FG Receiver | 1 |
| Engine Voltage Telemetry Connect Cable | 1 |
| Packaging Bag | 1 |
Details

RadioLink R8FG 8-Channel Dual Antenna Receiver, 3ms response, V2.1, Blue/Purple-S.BUS+PWM, 3.0-12V/DC, waterproof IPX6, telemetry, made in China.

FHSS Hopping Communication provides strong anti-interference performance using a spread spectrum algorithm and 67-channel pseudo-random frequency hopping. It supports multiplayer synchronous use and resists interference from fuel engine sparks, improving safety for fuel-powered model cars. Signal strength graphs show stable communication with minimal interference. Peak hold functionality ensures consistent performance. This receiver is ideal for advanced remote control applications in challenging environments.

RadioLink R8FG receiver supports 3ms response with RC8X. Choose servo speed (14ms, 4ms, 3ms) by connection type. Update to firmware V1.1.5 for FHSS V2 compatibility. Use V2.1 tags or units produced after 2023/4/26.

RadioLink R8FG delivers stable performance up to 600 meters with dual antennas and an 8-channel system. The RC8X controller offers a dual display for FPV enjoyment and camera integration. Its interface shows channels and settings for precise control. With strong RadioLink branding, this system highlights reliability and advanced tech. Designed for both hobbyists and professionals, it ensures an immersive remote control experience.

Gyro Integrated Customizable Gyro Sensitivity. The integrated high-performance gyro uses software filters and PID algorithms to correct sensitivity and enhance stability. It adapts flexibly to various models, achieving professional performance even with drift cars. Gyro sensitivity can be adjusted via the PS3 switch to optimize functionality. Diagrams illustrate improved control and smoother paths when using the gyro compared to without it, highlighting enhanced precision and stability in operation.

Real-time built-in telemetry for model battery voltage. Displays RSSI, receiver, and battery voltage post-binding. Supports up to 8S (33.6V) batteries. Connects via ESC, battery, and telemetry port. No extra module needed.

PWM and SBUS Signal-supported. PWM mode: Green LED indicates signal output, 8 channels total. PWM+SBUS mode: Blue LED indicates signals output. CH1 to CH7 PWM, CH8 SBUS. Enjoy model boats, cars with FPV.

RadioLink R8FG 8-channel dual antenna receiver uses waterproof tech with nano-coated PCB and pins, offering IPX4 protection. Supports BluePupple-S.BUS+PWM, runs on 3.0-22V DC, includes telemetry. Meets CE, FCC, RoHS standards. Made in China, built for durability in tough conditions.

Subsidiary ID feature for rescue, towing, and teaching. Designates multiple binding receivers for special needs like long-distance rescue with model cars/boats. Supports PHSS V1 and V2 protocols.

Anti-polarity connect protection, wide voltage power. Receiver supports 3-12V for high-voltage servo. Battery connects to ESC, motor, and receiver with vehicle voltage return wires.

Wide Transmitters Compatible. R8FGH supports RadioLink transmitters like RC8X, RC6GS V3, RC4GS V3, T8FB(BT), T8S(BT), RC6GS V2, RC4GS V2, RC6GS, RC4GS, T8FB(OTG), and T8S(OTG).

RadioLink R8FGH V1.0 receiver, 8 channels, 2.4GHz, FHSS, 600m range, IPX4 waterproof, gyro-integrated, customizable sensitivity. Dimensions: 35x24x13.5mm, weight: 10.5g, operating voltage: 3-12V.

RadioLink R8FG 8-Channel Dual Antenna Receiver, engine voltage telemetry connect cable, and packaging bag included.
Related Collections

Explore More Drones & Accessories
-
Camera Drone
Our Camera Drone Collection features a wide range of brands including FIMI,...
-
Drone Accessories
Discover a wide range of drone accessories to enhance flight performance, extend...