Radiolink I2C Expansion Transfer Board for Flight Controllers with Dual I2C Ports The Radiolink I2C Expansion Board is a compact, yet powerful accessory designed to expand the connectivity of your flight controller. Compatible with popular controllers such as CrossRace, CrossFlight, PIXHAWK, Mini Pix, and TURBO Pix, it splits a single I2C port into two independent I2C outputs, giving you more flexibility to connect multiple peripherals. With this expansion board, you can seamlessly add modules like the SU04 ultrasonic sensor for precise altitude holding, or an LED module to improve visibility and orientation during flight. The board also features dedicated input and GPS ports, ensuring reliable signal transmission and stable connections without interference. Whether you’re building a new drone or upgrading an existing setup, the Radiolink I2C  port extension provides greater adaptability, enhanced functionality, and smooth integration of essential flight modules, helping you unlock the full potential of your UAV.

Radiolink R12DS RC Receiver 2.4GHz 12 Channels The Radiolink R12DS 2.4GHz 12-Channel RC Receiver delivers long-range, stable control with a maximum distance of up to 2.4 miles (4km). Featuring DSSS & FHSS dual spread spectrum protocols, it offers excellent anti-interference performance, ensuring reliable signal transmission even in challenging environments. With support for PWM and SBUS outputs, it works seamlessly with Radiolink transmitters including AT9, AT9S, AT9S Pro, AT10, and AT10II. Designed for versatility, the R12DS is suitable for airplanes, drones, and RC jets, providing smooth response and multi-channel support for advanced flight needs. When paired with the PRM-01 or PRM-03 telemetry module (sold separately), it also enables real-time voltage telemetry, enhancing flight safety and performance. Features Stronger Anti-interference: Equipped with DSSS & FHSS communication technology for stable signal transmission and control distance of up to 2.4 miles (4km) in the air (range may vary by environment). Compatible only with Radiolink transmitters AT9, AT9S, AT9S Pro, AT10, AT10II. 12 Channels: Supports SBUS/PWM signal output with a high-resolution ratio of 4096 and fast response on all channels. Ensure 12CH mode is selected when using AT9S/AT9S Pro transmitters for proper function. Real-time Telemetry: Compatible with PRM-01/PRM-03 telemetry modules (sold separately) to display real-time aircraft voltage data directly on transmitter screens. Quick Binding: Easy one-step binding by pressing the bind button for 1 second, no additional transmitter settings required. Anti-polarity Protection: Built-in reverse polarity protection circuit prevents receiver damage from incorrect connections. Supports 3–10V DC input and high-voltage servos.

Radiolink R12DSE 12-Channel Receiver with Dual Antennas The Radiolink R12DSE 12-Channel Receiver offers up to 4000m control range with DSSS & FHSS hybrid spread spectrum for strong anti-interference and stable signals. Supporting 12 SBUS/PPM channels with a fast 3ms response, it’s ideal for racing drones, RC planes, and helicopters. Seamless real-time telemetry is available on Radiolink AT series transmitters, while extended telemetry can be added via the optional PRM-03 module. Designed for reliability and convenience, the R12DSE weighs just 2.5g with an ultra-compact form factor (1.2 x 0.47in), making it easy to install in tight builds. Built-in anti-polarity protection adds extra safety during setup, the R12DSE ensures reliable performance in any setup. Features Long Range Control: Up to 4000m air distance with DSSS & FHSS hybrid spread spectrum for excellent anti-interference. 12-Channel Output: Supports SBUS & PPM simultaneously with just 3ms latency for responsive control. Wide Compatibility: Works with most flight controllers, ideal for racing drones, airplanes, and helicopters. High Precision: 4096 resolutions with 0.25μs servo output, ensuring smoother and more accurate performance. Telemetry Support: Displays extensive flight data when paired with the PRM-03 module and compatible controllers. Built-in Signal Monitoring: Shows real-time voltage and signal strength on Radiolink AT series transmitters. Ultra-Compact & Lightweight: Just 2.5g and 1.2 x 0.47in, perfect for small builds. Safe Power Design: Supports 3–6V DC input with reverse polarity protection for reliable operation.

Radiolink R4FGM 2.4GHz Long Range 4 Channel RC Receiver for RC Car with Gyro The Radiolink R4FGM DIY RC Receiver is engineered for precision, stability, and long-range performance. Featuring a pseudo-random FHSS algorithm, it delivers exceptional anti-interference capability with a control range of up to 1300 feet (400 meters) on the ground. Equipped with Gyro and Normal modes, this High-performance RC plane receiver is perfect for professional RC enthusiasts. In Gyro mode, it enhances vehicle stability, making it ideal for on-road and off-road RC cars, including drifting models. The VR switch (default on Channel 3) allows easy adjustment of gyro sensitivity for fine-tuned control. The R4FGM Long-range RC receiver is fully compatible with multiple Radiolink transmitters, including RC4GS V3/V2, RC6GS V3/V2, RC8X, T8FB, and T8S, making it a versatile and reliable choice for your RC setup. Features 4 Channels, Ultra-Compact Design: Mini size (0.98 × 0.51 in) and lightweight (0.1 oz), perfect for 1:28 RC mini cars like Hot Wheels. Excellent Anti-Interference: Pseudo-random FHSS algorithm ensures stable performance with a control range of up to 1300 feet (400 meters) on the ground. Integrated Gyro System: Built-in gyro keeps vehicles running straight; sensitivity adjustable via transmitter-ideal for drifting and on-road RC cars. Reverse Polarity Protection: Safeguards the receiver from damage even if power polarities are mistakenly connected; supports 3.0–6V high-voltage servos. Easy Binding & Mode Switching: One-second bind with no controller setup required; triple short-press within 1 second enables/disables Gyro mode.

Radiolink R6DS 2.4GHz 6 Channel RC Receiver for Drones, Airplanes The Radiolink R6DS RC Receiver is designed for reliable, high-performance remote control of drones, airplanes, and fixed-wing aircraft. Equipped with DSSS & FHSS protocols, it delivers exceptional anti-interference capability, ensuring stable and precise control even in challenging environments. This versatile 2.4GHz RC reciever supports PPM, SBUS, and PWM signal outputs, making it compatible with a wide range of Radiolink transmitters, including AT9, AT9S, AT9S Pro, AT10, and AT10II. Whether you are flying a drone or a fixed-wing aircraft, the R6DS provides seamless connectivity and accurate response for enhanced flight performance. For added safety, the reverse polarity protection circuit safeguards the drone receiver from damage if the power connections are mistakenly reversed, giving you peace of mind during installation. Compact, reliable, and easy to use, the Radiolink R6DS is an ideal choice for both hobbyists and professional RC pilots. Features Excellent Anti-Interference: Uses DSSS & FHSS pseudo-random algorithm for stable, interference-free control. 6/10 Channels Support: Compatible with PWM, PPM, and SBUS outputs; ideal for most aircraft. Ensure SYSTEM CH is set to 10CH when using AT10/AT10II. Fast Response: High-resolution ratio of 4096 with 0.5µs stability for low-latency, precise control. Easy Binding: One-second press of the bind button powers up and connects the receiver-no old bind plugs or complex radio settings needed. Anti-Polarity Protection: Safeguards the receiver from damage if the power is connected incorrectly.

Radiolink R6DS 6/10 Channels RC Receiver 2.4GHz The Radiolink R6DS 2.4GHz RC Receiver is a reliable and compact solution for drone and fixed-wing airplane pilots. This high-performance 2.4 GHz RC Receiver supports up to 6/10 Channels RC Receiver modes using SBUS, PWM, or PPM, giving you the flexibility to control various aircraft models. It is compatible with Radiolink transmitters like AT9S, AT10, AT9S Pro, and AT10II, making setup quick and easy. With strong anti-interference technology and a control range of up to 600 meters, the R6DS ensures stable and precise signal transmission. Its fast response time of 3 milliseconds helps you maintain full control in any flying condition. The receiver also includes protection against reverse polarity, making it safe and user-friendly. Features Excellent Anti-Interference: The Radiolink R6DS uses DSSS FHSS hybrid technology with a pseudo-random algorithm, giving it strong anti-interference ability for stable control even in busy signal environments. 6/10 Channels Support: It supports PWM, PPM, and SBUS signal outputs with up to 10 channels, making it perfect for most drones, airplanes, and fixed-wing models. When using the AT10 or AT10II transmitter, make sure the SYSTEM CH is set to 10 channels for best performance. Fast Response Time: With a high resolution of 4096 and a signal stability of 0.5 microseconds, the receiver provides fast and smooth communication between the transmitter and aircraft, ensuring low latency control. Easy Binding Process: No need for special bind plugs or complicated settings. Simply press the bind button for 1 second after powering on both the receiver and transmitter to pair them easily. Anti-Polarity Protection: The receiver is built with reverse polarity protection, so it won’t get damaged if the power cables are connected the wrong way. This makes installation safer and hassle-free.

Radiolink R6DSM Mini Drone Receiver 2.4Ghz 10 Channels for Racing Drones, Quadcopter Aircrafts The Radiolink R6DSM is a high-performance mini drone receiver designed for mini FPV racing drones, quadcopters, and small aircraft. This compact micro RC receiver supports 2.4GHz signal transmission and offers 10 channels, making it perfect for precise control in tight spaces. With a small size and lightweight design, it easily fits into any mini drone build without adding bulk. This receiver drone mini model supports both SBUS and PPM outputs, providing compatibility with a wide range of flight controllers. It offers reliable performance with advanced DSSS and FHSS protocols, ensuring stable connections and minimal interference up to 600 meters in open areas. The detachable antenna makes installation flexible, ideal for small drone setups. Compatible with Radiolink transmitters such as AT9S, AT9S Pro, AT10, and AT10II, the R6DSM is the perfect choice for drone enthusiasts looking for a dependable and efficient solution to control their mini drones with real-time telemetry feedback during flights. Features 10-Channel SBUS/PPM Output : Supports both SBUS and PPM signal outputs, ensuring compatibility with a wide range of flight controllers like PIXHAWK, Mini Pix, Turbo Pix, and APM. Advanced Spread Spectrum Technology: Utilizes DSSS (Direct Sequence Spread Spectrum) and FHSS (Frequency Hopping Spread Spectrum) hybrid protocols with 16-channel pseudo-random frequency hopping and QPSK modulation. This combination provides superior anti-interference performance, ensuring stable and reliable signal transmission. Real-Time Telemetry: Equipped with real-time RSSI (Received Signal Strength Indicator) telemetry, allowing users to monitor signal strength and system status during flights, enhancing safety and performance. Ultra-Compact and Lightweight: Measuring just 15×13 mm and weighing only 1.5g, the R6DSM is designed for mini drones, minimizing added weight and fitting seamlessly into compact builds. Wide Operating Voltage Range: Operates within a voltage range of 3.0V to 6.0V, with a current consumption of 38–45mA at 5V, providing flexibility across various drone setups. High Precision Control: Features a 4096-section resolution with 0.25μs per section, offering precise control inputs for smooth and responsive flight dynamics. Extended Control Range: Achieves a maximum control distance of up to 600 meters in open, interference-free environments, depending on local regulations and conditions. Quick Bind and Anti-Polarity Protection: Simplifies the binding process with a one-second press of the bind button and includes reverse polarity protection to prevent damage from incorrect connections. Detachable Antenna: Features a detachable antenna for flexible installation options, accommodating various drone designs and configurations.

Radiolink R6F 2.4 GHz, 6 Channel RC Receiver The Radiolink R6F 6-Channel RC Receiver offers stable, long-range performance, delivering up to 400 meters (1300 feet) of control distance, making it perfect for RC cars, boats, and other models. As a reliable 2.4 GHz RC receiver, it uses advanced FHSS communication technology and a pseudo-random algorithm to ensure excellent anti-interference and signal stability, even in demanding environments. Compact and lightweight, the 6 channel RC receiver easily fits in vehicle boxes and supports a wide voltage range of 3–12V DC, suitable for both standard and high-voltage applications. Fully compatible with Radiolink transmitters like RC4GS (V3/V2), RC6GS (V3/V2), T8FB, and T8S, the R6F gives hobbyists dependable performance and flexible usage across multiple RC setups. Features Excellent Anti-Interference: Uses pseudo-random FHSS algorithm for strong anti-interference with a control range up to 1300 feet (400 meters). Superb Response: High-resolution 4096 ratio ensures stable signal output and fast response across all 6 channels, ideal for rock crawlers, monster trucks, buggies, and more. Easy Binding: Simple one-button binding process; no bind plugs or extra radio settings required. Anti-Polarity Protection: Built-in reverse polarity protection circuit prevents damage from incorrect wiring. Wide Voltage Support: Operates on 3.0–15V DC, fully supporting high-voltage servos.

Radiolink R8FM 2.4GHz 8-Channel RC Receiver SBUS/PPM for Mini FPV Racing Drones The Radiolink R8FM micro-RC receiver is a high-performance micro receiver designed for mini FPV racing drones, quadcopters, and aircraft. Equipped with a frequency hopping spread spectrum (FHSS) pseudo-random algorithm, it delivers excellent anti-interference performance, ensuring smooth and reliable control even in environments with multiple RC devices. Despite its tiny size of just 0.78 × 0.59 × 0.2 inches and ultra-lightweight 0.09 oz, the R8FM offers an impressive control range of up to 2000 meters (1.24 miles) by its 8 channel RC receiver, giving you the freedom to enjoy extended flights without signal loss. Its compact design makes it perfect for mini drones such as 130, 120, and 110 models, where space and weight are critical. With the R8FM mini RC receiver, you get a combination of lightweight design, long-range performance, and reliable signal stability, making it an ideal choice for racing enthusiasts and hobbyists looking to push the limits of their mini drones. Features Strong Anti-Interference: FHSS pseudo-random algorithm ensures stable and reliable signal even in crowded environments. 8 Channels: Supports SBUS/PPM output with high-resolution 4096 ratio and fast response for all channels. Long-Range Control: Stable remote control distance up to 1.2 miles (2000 meters), depending on the environment. Super Mini Size: Ultra-lightweight at 0.09 oz and compact dimensions 0.78 × 0.59 × 0.2 inches, ideal for mini drones (130, 120, 110 models). Easy Binding & Safety Protection: Quick 1-second bind with T8S/T8FB transmitters; built-in voltage protection safeguards against reverse polarity. Package Included: Complete set ready for immediate use with compatible transmitters.

Radiolink R8XM Receiver for Drone 8 Channels 2.4GHz Receiver The Radiolink R8XM RC Receiver is a high-performance Receiver for Drone that provides reliable long-range control. This compact device operates on 2.4GHz and offers 8 channels, making it a perfect choice for various RC models including drones, aircraft, cars, and boats. This 8 channel RC receiver supports both SBUS and PPM output and comes with voltage telemetry features to monitor battery levels and signal strength in real time. As a 2.4GHz RC Receiver, it ensures stable signals even in environments with strong interference, keeping your models responsive and safe. Lightweight and compact, the R8XM is an ideal drone receiver for all your aerial projects. Its long-range capability allows control over distances up to 4000 meters, giving you peace of mind while flying your drone or other RC vehicles. Features 8-Channel Control: Offers 8 channels of SBUS/PPM signal output, making it suitable for various RC models, including racing drones, fixed-wing aircraft, gliders, multicopters, cars, boats, and robots (when used with a flight controller) Long-Range Control: Provides a control distance of up to 4000 meters (approximately 2.5 miles) in the air, ensuring stable remote control and telemetry over long distances Real-Time Telemetry: Transmits real-time data such as receiver voltage, model voltage, and RSSI (Received Signal Strength Indicator), allowing users to monitor the health of their RC models and take preventive measures Voltage Alarm System : Supports 2S-6S (7.4V-25.2V) battery voltage telemetry, with voltage and RSSI alarms to prevent over-discharge and equipment damage Compact and Lightweight: Weighs only 4g and measures 22×17mm, making it ideal for applications where space and weight are critical Advanced Anti-Interference Technology: Utilizes FHSS (Frequency Hopping Spread Spectrum) with a 67-channel pseudo-random frequency hopping algorithm, ensuring excellent anti-interference performance and stable transmission signals Wide Compatibility: Compatible with various RadioLink transmitters, including T8FB(BT), T8S(BT), T8FB(OTG), T8S(OTG), RC6GS V3/V2, and RC4GS V3/V2, provided they work with a flight controller