RLKR121001

Overview

The RadioLink R12DS 2.4GHz 12-Channel Receiver is a compact, high-resolution receiver designed to bring versatility and precision to your RC model control setup. Whether you're piloting an RC car UK enthusiasts trust, flying fixed-wing aircraft, or controlling multi-rotor drones, this advanced receiver delivers the reliability and performance that serious RC hobbyists demand. Engineered with the RL-Advanced radio protocol at its core, the R12DS offers stable, responsive linking across a wide control range of approximately 4 kilometres in unobstructed areas, making it suitable for everything from indoor racing to outdoor adventures across the UK and beyond.

At just 14 grams and measuring a compact 50mm x 32mm, this receiver packs serious capability into a tiny footprint—perfect for weight-conscious builds where every gram counts. The R12DS is fully compatible with RadioLink's popular AT9, AT9S, AT10, and AT10II transmitters, making it an excellent choice for hobbyists already invested in the RadioLink ecosystem or those looking to upgrade their current setup. The integrated telemetry system keeps you informed about signal strength (RSSI) and receiver voltage in real-time, whilst external telemetry can be expanded using the optional PRM-01 and PRM-02 modules for deeper system monitoring and diagnostics.

Whether you're a seasoned RC enthusiast or discovering the hobby for the first time, the RadioLink R12DS delivers professional-grade performance at an accessible price point. Its flexible output modes, precise channel resolution, and robust build quality make it an outstanding value for anyone seeking to upgrade their RC model control capabilities with a modern, feature-rich receiver.

Key Features

• 12-Channel S-Bus/PPM Output — The receiver provides full 12-channel control via S-Bus and PPM protocols, allowing you to command complex multi-function RC models with precision and control. This is essential for advanced builds where you need independent control of multiple servos, electronic switches, and auxiliary systems simultaneously.
• 12-Channel PWM Output — In addition to S-Bus/PPM, the R12DS also offers 12 independent PWM outputs, providing maximum compatibility with traditional RC servos and flight controllers that may not support S-Bus or PPM protocols. This dual-output capability ensures the receiver works seamlessly with both modern and legacy RC equipment.
• 4096-Step Precision with 0.25 Microsecond Resolution — With an exceptionally high resolution of 4096 steps and 0.25 microseconds per section, the R12DS delivers ultra-smooth, jitter-free control inputs to your servos and electronic speed controllers. This level of precision is particularly noticeable when flying RC aircraft or operating high-performance RC cars where subtle control inputs make the difference between victory and defeat.
• Integrated Telemetry System — Built-in telemetry monitors signal strength (RSSI) and receiver voltage, giving you real-time feedback about system health and link quality. This allows you to identify potential signal issues before they become problems, ensuring reliable operation throughout your flying or driving session.
• Expandable Telemetry via PRM Modules — The receiver supports external telemetry expansion through the PRM-01 and PRM-02 modules, enabling you to monitor additional parameters such as battery voltage, temperature, and current draw for even greater visibility into your RC model's performance.
• RL-Advanced Radio Protocol — RadioLink's proprietary RL-Advanced protocol provides fast, reliable, and secure communication between your transmitter and receiver, with frequency-hopping technology that reduces interference and improves stability in busy RF environments typical of UK flying fields and race tracks.
• Wide Operating Voltage Range — The receiver operates efficiently from 4.8V to 10V, making it compatible with standard 5V receiver packs, lithium-polymer batteries running at various cell counts, and other common RC power sources. This flexibility means you can integrate it into virtually any RC setup.
• Low Current Draw — At just 38–45mA at 5V, the R12DS is extremely power-efficient, meaning minimal drain on your battery and maximum runtime for your RC model. This efficient design also generates minimal heat, improving reliability during extended use.
• 2.4GHz Frequency Band — Operating on the unlicensed 2.4GHz frequency, the receiver is compliant with regulations across the UK and most countries worldwide. This frequency is widely used in RC applications and offers excellent range and reliability.
• Compact Lightweight Design — At just 14 grams and measuring only 50mm x 32mm, the R12DS is ideal for weight-critical applications where saving every gram directly impacts performance. The tiny footprint makes it perfect for small-scale RC models, micro drones, and competitive racing setups.

Technical Performance

The RadioLink R12DS 2.4GHz 12-Channel Receiver represents modern engineering excellence in RC receiver design. Every aspect of this receiver has been optimised for performance, reliability, and ease of integration into your RC models. The ultra-high resolution of 4096 steps combined with 0.25 microsecond timing precision ensures that control inputs from your transmitter are reproduced with absolute fidelity on your servos and electronic speed controllers—critical for competitive RC racing, precision flying, and demanding applications. The dual output capability (S-Bus/PPM and 12-channel PWM) demonstrates RadioLink's commitment to backwards compatibility; this means whether you're using vintage RC equipment from decades past or cutting-edge flight controllers and speed controllers from today's manufacturers, the R12DS will integrate seamlessly into your setup. The integrated RSSI (Received Signal Strength Indicator) and voltage monitoring provide invaluable diagnostic information during operation, allowing you to optimise antenna placement and monitor battery health in real-time. The exceptional 4-kilometre control range (tested in unobstructed areas) ensures you'll have consistent control authority even in large outdoor spaces, whilst the RL-Advanced protocol's frequency-hopping technology provides robust immunity to interference from other RC systems and WiFi networks commonly found at UK RC clubs and flying fields. The ultra-low current consumption of 38–45mA at 5V means minimal power draw from your battery pack, directly translating to longer flight times or driving sessions. The receiver's wide operating voltage range from 4.8V to 10V provides exceptional flexibility when choosing power sources, whether you're using traditional 5V receiver packs, single-cell LiPo batteries, or multi-cell battery configurations. The rugged construction and premium component selection ensure this receiver will deliver years of reliable service in the demanding environments where RC models are flown and driven.

What's in the Box

• RadioLink R12DS 2.4GHz 12-Channel Receiver

What You Need to Complete

• RadioLink AT9, AT9S, AT10, or AT10II 2.4GHz transmitter (receiver is sold separately from transmitter)
• Battery pack or power source (4.8–10V) to power the receiver
• Servos or electronic speed controller (ESC) compatible with S-Bus/PPM or PWM outputs
• RC model airframe or chassis
• Optional: PRM-01 or PRM-02 telemetry modules for expanded telemetry monitoring

Frequently Asked Questions

• Is the RadioLink R12DS compatible with my RadioLink transmitter? — Yes, the R12DS is fully compatible with RadioLink's AT9, AT9S, AT10, and AT10II transmitters. These models form a comprehensive family of control systems that work seamlessly together. If you own any of these transmitters, the R12DS will bind and operate with perfect compatibility.
• What control distance can I expect from this receiver? — The RadioLink R12DS offers a control range of approximately 4 kilometres in unobstructed areas free from RF interference. This range is the maximum tested in ideal conditions and may vary depending on local radio regulations, antenna orientation, surrounding terrain, and the presence of other wireless systems. Most UK RC flying fields and race tracks will experience excellent range performance well beyond practical control needs.
• Can I use this receiver with non-RadioLink transmitters? — No, the R12DS is designed to work exclusively with RadioLink transmitters using the RL-Advanced protocol. It is not compatible with Futaba FHSS, Spektrum, FrSky, or other third-party radio systems. Make sure your transmitter is from the RadioLink AT series before purchasing.
• What is the difference between S-Bus/PPM output and PWM output? — S-Bus and PPM are digital protocols that send all 12 channels of control data through single signal lines, requiring fewer wires and compatible receivers or flight controllers. PWM (Pulse Width Modulation) is the traditional analogue method where each channel has its own dedicated output wire. The R12DS provides both, so whether your equipment uses modern digital protocols or traditional PWM servos, you'll have full compatibility and flexibility.
• How much power does this receiver draw from my battery? — The R12DS draws 38–45mA at 5V, making it extremely efficient. For most RC models with multiple servos and electronic systems, this receiver will consume less than 5% of your total battery current, ensuring minimal impact on overall flight or drive time.
• Can I expand the telemetry capabilities of this receiver? — Yes, the R12DS includes integrated telemetry monitoring signal strength and receiver voltage, and it supports expansion via the optional PRM-01 and PRM-02 external telemetry modules. These modules add additional monitoring capabilities for more detailed system diagnostics and performance tracking.
• What voltage battery should I use with this receiver? — The R12DS accepts any battery or power source in the 4.8–10V range. This includes traditional 5V receiver packs, single-cell LiPo batteries at approximately 3.7V nominal (though slightly out of spec), and multi-cell battery configurations. For best performance and longevity, aim for nominal voltages between 5V and 10V.
• Is this receiver suitable for beginners? — Absolutely. The RadioLink R12DS is an excellent choice for beginners because it's straightforward to install, requires minimal wiring (especially when using S-Bus output), and integrates easily with entry-level and advanced RC models alike. The integrated telemetry provides helpful diagnostic feedback, and the broad compatibility with various output protocols means you won't outgrow it as your skills develop.
• How precise is the control from this receiver? — With 4096-step resolution and 0.25 microsecond timing precision, the R12DS is exceptionally precise. This level of control fidelity is noticeable across all RC applications, from smooth, responsive servo movement in aircraft to razor-sharp steering inputs in competitive RC racing. The precision is comparable to receivers costing significantly more.
• Will this receiver work in areas with WiFi and other 2.4GHz devices? — Yes. The RL-Advanced protocol includes frequency-hopping technology that actively avoids interference from WiFi, Bluetooth, and other systems operating on the 2.4GHz band. This makes it exceptionally reliable at UK RC clubs, indoor flying facilities, and urban environments where RF congestion is common.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the RadioLink R12DS 2.4GHz 12-Channel Receiver RLKR121001 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.