Overview
The RadioLink R9DS V2.1 Receiver is a 2.4GHz 9/10-channel RC receiver that supports both SBUS and PWM signal outputs simultaneously. Built with DSSS & FHSS hybrid spread spectrum technology, it ensures robust anti-interference performance and ultra-fast response. With a control range up to 4000 meters in unobstructed conditions, it’s ideal for helicopters, fixed-wing aircraft, gliders, multirotors, RC cars, boats, and robots.
Key Features
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Dual Signal Output: Supports both SBUS and PWM signals concurrently (9 channels PWM, 10 channels SBUS+PWM).
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Ultra-Long Control Distance: Up to 4000 meters (2.48 miles) in interference-free air.
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Telemetry Support: Real-time telemetry via PRM-01 (model voltage) or PRM-03 (speed, climb, throttle, GPS, RSSI, etc.).
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Low Latency: High precision with 4096 sections and 0.25µs resolution.
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Wide Voltage Input: 3.6V–12V DC, tolerant to fluctuating power supply.
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Compact and Lightweight: Just 10.5g and 43×24×15mm.
Specifications
| Parameter | Details |
|---|---|
| Model | R9DS V2.1 |
| Signal Output | SBUS & PWM |
| Channels | 9 PWM channels; 10 SBUS+PWM channels |
| Frequency Band | 2.4GHz ISM (2400–2483.5MHz) |
| Spread Spectrum Mode | DSSS & FHSS |
| Section Precision | 4096, 0.25μs per section |
| Operating Voltage | 3.6V–12V DC |
| Operating Current | 38–45mA @ 5V |
| Control Distance | 4000 meters (in air, unobstructed) |
| Antenna Length | 145mm (5.71 inches) |
| Dimensions | 43×24×15mm (1.69"×0.94"×0.59") |
| Weight | 10.5g (0.37oz) |
| Compatible Transmitters | AT10II, AT10, AT9S Pro, AT9S, AT9 |
| Telemetry Compatibility | PRM-01, PRM-03 |
| Applicable Models | Helicopter, Fixed-wing, Glider, Multicopter, Car, Boat, Robot |
Real-time Telemetry Support
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PRM-01: Monitors model voltage.
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PRM-03: Displays voltage, speed, climb rate, throttle, longitude, latitude, altitude, GPS, RSSI, flight mode, yaw, pitch, roll, and distance on compatible transmitters.
Application Scenarios
Ideal for all types of RC models, including:
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Rotary-wing helicopters
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Fixed-wing aircraft
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Multirotors and drones
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Cars, boats, and robotic systems
Details

RadioLink R9DS V2.1 is a 2.4GHz 9/10-channel receiver supporting DSSS and FHSS technologies. It offers Blue LED, S.BUS, and PWM outputs with GND, SDA, SCL, VCC connections. Operating on 3.6-12V DC, it complies with CE, FCC, RoHS standards. Featuring FCC ID: U2BRL039RECEIVER and part number 214-240149, it's designed for RC applications, providing reliable and versatile control options. Made in China.

R9DS receiver provides 4000m control range using DSSS and FHSS hybrid spread spectrum, ensuring stable transmission and anti-interference for RC models.

RadioLink R9DS v2.1 receiver supports SBUS and PWM signals, 9/10 channels. Operates seamlessly for various models like rotary wing, fixed wing, multicopter, car, boat, robot. Voltage tolerance: 3-10V.

Real-time telemetry provides model data, including voltage, speed, GPS, and flight modes. Paired with PRM-01 or PRM-03 modules, it displays crucial system information on the transmitter screen for enhanced control.

RadioLink R9DS 2.4GHz receiver, 9/10 channels, PWM/SBUS output. Size: 43x24x15mm, weight: 10.5g. Operates at 3.6-12V, 38-45mA@5V. Control distance: 4000m. Compatible with PRM-01, PRM-03, AT10II, AT10, AT9S Pro, AT9S, AT9.

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