--- product_id: 510741043 title: "Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter" brand: "radiolink" price: "¥5946" currency: JPY in_stock: true category: "Radiolink" url: https://www.desertcart.jp/products/510741043-radiolink-sui04-su04-ultrasonic-sensor-range-finder-obstacle-avoidance-racing store_origin: JP region: Japan --- # 30 ms lightning-fast response 0.4 cm ultra-precise detection 8-directional obstacle avoidance Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter **Brand:** radiolink **Price:** ¥5946 **Availability:** ✅ In Stock ## Summary > 🛡️ Elevate your drone’s IQ with the SU04 — because flying smart is flying safe. ## Quick Answers - **What is this?** Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter by radiolink - **How much does it cost?** ¥5946 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/510741043-radiolink-sui04-su04-ultrasonic-sensor-range-finder-obstacle-avoidance-racing) ## Best For - radiolink enthusiasts ## Why This Product - Trusted radiolink brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Reaction:** Responds in just 30 milliseconds to keep your drone ahead of danger. - • **Pinpoint Precision:** Detects obstacles as small as 0.4 cm for flawless navigation. - • **Featherweight Design:** Compact and ultra-light at just 8 grams, perfect for sleek drone builds. - • **Omni-Directional Safety:** Covers 8 horizontal directions plus vertical altitude hold for total protection. - • **Plug & Play Compatibility:** Seamlessly integrates with PIXHAWK, Mini PIX, and TURBO PIX controllers via I2C/UART. ## Overview The Radiolink SU04 ultrasonic sensor is a compact, high-precision obstacle avoidance device designed for drones, multirotors, and other autonomous vehicles. With 0.4 cm detection accuracy, 30 ms response time, and 8-directional sensing, it ensures superior navigation and safety. Lightweight and compatible with popular flight controllers like PIXHAWK, it’s ideal for agriculture, training, and rescue missions. ## Description desertcart.com: Radiolink SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Helicopter, Multirotor, Airplane, Car, and Boat, Compatible with PIXHAWK, Radiolink Mini PIX and crossflight : Industrial & Scientific ## Features - 【Obstacle Avoidance】: SU04 is a transmitting and receiving hybrid ultrasonic sensor, it will help helicopter, multirotor, airplane, car, and boat achieve autonomous obstacle avoidance in 8 directions horizontal, obstacle avoidance to the upward side and altitude hold to the downward. - 【Small Size and Multifunction】: Single probe only 0.017Lb and 0.78*0.86*0.75in, easy to install on your drone. Obstacle avoidance function can protect your device when the beginner practice fly. - 【Perfect for】: SU04 ultrasonic sensor can be used on Agriculture, Training, and rescue. Safety Guaranteed for Outdoors Operation and Training. Can work with Helicopter, Multirotor, Airplane, Car, and Boat. - 【High Accuracy and Low Latency】: Support 0.4cm high detection accuracy, even the smallest obstacles can be accurately captured. Precise positioning without fear of obstacles. Extreme Fast Response, latency as low as 30ms. - 【Compatible Mode】: SU04 is compatible with RadioLink flight controller PIXHAWK, MINPIX and TURBO PIX with the I2C and UART(MAVlink protocol) automatically identified. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BTHLGRYF | | Best Sellers Rank | #676,556 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #130 in Ultrasonic Proximity Sensors | | Brand Name | Radiolink | | Current Rating | 18 Milliamps | | Customer Reviews | 3.4 3.4 out of 5 stars (18) | | Included Components | ultrasonic sensor | | Item Dimensions | 0.78 x 0.75 x 0.86 inches | | Item Type Name | Ultrasonic Sensor | | Item Weight | 8 Grams | | Manufacturer | Radiolink | | Material Type | Plastic | | Maximum Supply Voltage | 5.5 Volts | | Measurement Accuracy | 0.4 cm | | Measuring Range | 40cm to 450cm | | Model | SU04 | | Mounting Type | Flange Mount | | Output Type | Digital | | Part Number | SU04 | | Response Time | 30 Milliseconds | | Sensing Distance | 450 Centimeters | | Specific Uses For Product | agriculture, training, rescue | | Style Name | ultrasonic sensor | ## Product Details - **Brand:** Radiolink - **Item Weight:** 8 Grams - **Item dimensions L x W x H:** 0.78 x 0.75 x 0.86 inches - **Material:** Plastic - **Style:** ultrasonic sensor ## Images ![Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter - Image 1](https://m.media-amazon.com/images/I/61r1dsfY1XL.jpg) ![Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter - Image 2](https://m.media-amazon.com/images/I/71PuPuvyIqL.jpg) ![Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter - Image 3](https://m.media-amazon.com/images/I/616rah1-3VL.jpg) ![Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter - Image 4](https://m.media-amazon.com/images/I/61pyXV7j-YL.jpg) ![Radiolink SUI04/SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Racing Drone, Robots, Quadcopter, Multi-Copter - Image 5](https://m.media-amazon.com/images/I/61G-pdD4emL.jpg) ## Available Options This product comes in different **Edition** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/510741043-radiolink-sui04-su04-ultrasonic-sensor-range-finder-obstacle-avoidance-racing](https://www.desertcart.jp/products/510741043-radiolink-sui04-su04-ultrasonic-sensor-range-finder-obstacle-avoidance-racing) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-18*