Overview
The RadioLink R8EF is a compact and lightweight 8-channel receiver supporting SBUS, PPM, and PWM signals simultaneously. With a control range up to 2000 meters (1.24 miles) and a wide 3–15V input, it ensures reliable performance across fixed-wing aircraft, helicopters, multirotors, cars, boats, and robots. Featuring FHSS 67-channel frequency hopping on the 2.4GHz ISM band, the R8EF provides robust anti-interference communication for seamless control. Weighing only 7g, it's the ideal choice for both high-performance and space-constrained RC models.
Key Features
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Triple Signal Support: SBUS, PPM, and PWM work simultaneously
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Wide Voltage Input: Operates between 3.0V to 15V, adaptable for various servos and ESCs
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Long Control Distance: Up to 2000 meters in open, interference-free environments
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Compact & Lightweight: Just 7g and only 41.5×21.5×11.5mm
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High Precision: 4096 section resolution, 0.25µs per section
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FHSS Technology: 67-channel frequency hopping spread spectrum ensures strong anti-jamming performance
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Versatile Application: Compatible with aircraft, vehicles, boats, and robotic systems
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Extensive Compatibility: Works with a broad range of RadioLink transmitters
Specifications
| Parameter | Details |
|---|---|
| Dimensions | 41.5 × 21.5 × 11.5 mm (1.63” × 0.85” × 0.45”) |
| Weight | 7g (0.25oz) |
| Antenna Length | 210mm (8.27”) |
| Channel Quantity | 8 channels |
| Signal Output | SBUS, PPM, PWM (CH1: SBUS, CH2: PPM, CH3–CH8: PWM) |
| Operating Voltage | 3.0V–15V DC |
| Operating Current | 38–45mA @5V |
| Output Frequency | 2.4GHz ISM band (2400MHz–2483.5MHz) |
| Spread Spectrum | FHSS, 67 channels pseudo-random frequency hopping |
| Resolution | 4096, 0.25µs per section |
| Control Distance | Up to 2000 meters (in open area without interference) |
| Working Temperature | -30°C to +85°C |
| Supported Models | Helicopter, Fixed-wing, Glider, Multicopter, Car, Boat, Robot |
| Compatible Transmitters | RC8X, RC6GS V3/V2, RC4GS V3/V2, T8FB (BT/OTG), T8S (BT/OTG), T16D, T12D |
Application Scenarios
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Airborne: Fixed-wing planes, gliders, helicopters, multicopters
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Ground: RC cars, crawlers, tanks, tracked vehicles
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Water: Model boats and hovercraft
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Robotics: Mobile platforms and automation projects
Note
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Maximum control distance is tested in an open area with no interference and may vary depending on regulations.
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SBUS/PPM/PWM outputs can function concurrently for flexible configuration.
Details

RadioLink R8EF V1.5, 8-channel receiver. Supports Blue LED, S.BUS, PPM, PWM. Operates on 3.0-15V/DC. Features 2.4GHz FHSS technology. Certified CE, FCC, RoHS. Channels labeled CH1 to CH8. Compact design with clear labeling.

2000 meters control distance with FHSS spread spectrum. Resistant to interference, difficult to intercept. Maximum PWM jitter 1.84us, standard 0.5us. Video demonstrates binding process.

R8EF 8-channel receiver supports SBUS, PPM, PWM. Compatible with rotary wing, fixed wing, glider, multicopter, car, boat, robot. Operates from 3 to 12 volts.

RadioLink R8EF 8-channel receiver, 41.5x21.5x11.5mm, 7g. Supports SBUS, PPM, PWM signals. Operates at 3-15V, 38-45mA@5V. Control distance: 2000m. Compatible with T8FB, T8S, RC8X transmitters.
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