Ai-Thinker Rd-03D_V2 24GHz mmWave Multi-Target Tracking Radar Sensor Module

Unlock the power of professional-grade motion sensing with the Ai-Thinker Rd 03D Radar Module. Designed for complex automation and security applications, this module is equipped with the S5KM312CL millimeter-wave sensor SoC. By utilizing FMCW (Frequency Modulated Continuous Wave) radar technology, the Rd-03D goes beyond simple “presence detection” to provide accurate target positioning and trajectory tracking.

Advanced Motion & Stationary Detection with Ai-Thinker Rd 03D 

The Rd-03D intelligently distinguishes between different states of human activity:

• Movement: Walking or running.

• Micro-movement: Typing, turning a page, or shifting in a chair.

• Rest: Breathing detection while sleeping or sitting completely still.

Intelligent Tracking Algorithm with Ai-Thinker Rd 03D 

Integrated with a powerful MCU and intelligent algorithms, the module can detect multiple targets in a specified area. It reports results in real-time via serial communication, allowing developers to create systems that track movement paths, measure speed, and calculate distance with high precision.

Key Features

• High-End SoC: Powered by the S5KM312CL chip for fast recognition speed and low power consumption.

• Interference Immunity: Excellent resistance to external interference; works reliably near WiFi routers and other wireless signals.

• FMCW Technology: Operates in the 24GHz K-band with a maximum sweep bandwidth of 0.25GHz for high-resolution data.

• Real-Time Reporting: UART output allows for the immediate development of target positioning products.

• Plug & Play: Intelligent parameter adjustment via serial port makes configuration convenient and fast

Technical Specifications

Please download the datasheet here

You can find other Radar Modules here

Typical Applications of Ai-Thinker Rd 03D

• Public Facilities: Automatic wake-up of advertising screens or info kiosks when a user approaches.

• Smart Security: Intrusion detection with trajectory tracking to filter false alarms.

• Healthcare: Fall detection and vital sign monitoring (breathing detection).

• Smart Home: Advanced lighting control that stays on even when you are sitting still.

  Important Product Disclaimer

  Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. Product images are shown for illustrative purposes only and may differ from the actual product.

  Note

  Images are for representation only. The actual product may slightly vary in appearance.

Related Radar and UWB Products

Compare this module with related radar sensors, mmWave modules and development boards available from Robosap.

• Ai-Thinker Rd-03_V2 24GHz mmWave Human Presence Radar Sensor
• Ai-Thinker Rd-03E 24GHz Radar Ranging and Gesture Sensor Module
• Ai-Thinker Rd-03H 24GHz Human Presence Radar Sensor
• Ai-Thinker Rd-03L_V2 Low-Power 24GHz Human Presence Radar Sensor
• Browse mmWave Radar Sensors

Downloads and Documentation

Use these manufacturer or reference documents to verify the exact specifications, pin details, firmware support and integration requirements before designing your system.

• Ai-Thinker Rd-03D_V2 documentation page
• Ai-Thinker Rd-03 series documentation hub
• Robosap Radar and UWB category

Documents may be updated by the manufacturer. Always confirm critical electrical and mechanical details with the latest official documentation before production use.