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1. Product Introduction
▫️ Overview
Rd-103A
The Rd-103A is a radar module developed by Ai-Thinker, based on the Synochip ICL111A chip, operating in the 24GHz K-band (single-frequency sweep modulation bandwidth of 0.25GHz)
It senses in real time whether stationary, moving, or subtly moving human bodies are present within the area. A visual configuration tool is provided to easily configure the sensing distance range, sensing sensitivity for different intervals, and the no-person delay time.
▫️ Features
- Smart Home: Sense human presence and distance, report monitoring results, and intelligently control home appliances;
- Smart Security: Induction access control, induction alarms, and camera-triggered linkage applications.
- Smart Lighting: Recognize and sense human bodies with precise position detection, applicable to public or home lighting devices such as sensor lights, bulb lights, desk lamps, and mirror lights;
- Smart Business: Interval sensing — recognize people approaching or moving away within configured distance intervals; light up screens promptly and keep devices on while a human is present;
- EV Charging / Parking Monitoring: Trigger charging-pile screens, parking-space monitoring, and human-intrusion prevention for wireless charging.
▫️ Comparison Table
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Parameter
| Product Image |
| Wireless Protocol |
| Chip |
| Module Flash Size (Mbits) |
| Frequency Band (MHz) |
| Package |
| Dimensions (L×W×H) (mm) |
| Operating Temp Range (℃) |
| Storage Temp Range (℃) |
| Antenna Type |
| Interface |
| Available GPIO |
| Min Voltage (V) |
| Max Voltage (V) |
| Typical Voltage (V) |
| Min Power Current (mA) |
| Rx Current (mA) |
| Standby Current (μA) |
| Deep Sleep Current (μA) |
| Certifications |
| Max TX Power (dBm) |
| Modulation |
| Protocol Support |
2. Specifications
| Module | Datasheets |
|---|---|
| Rd-103A | View |
3. Firmware Related
▫️ Standard Firmware
| Module Model | Firmware ID | Firmware Description | Version | Download Link |
|---|---|---|---|---|
| Rd-103A | ⭐ #3699 | Standard Human Presence Firmware | V1.0.0 | Click to Download |
4. Development Guide
▫️ Basic Materials
Rd-103A Quick Start Guide: Click to View
Rd-103A Radar Sensing Visualization Configuration Tool: Click to Download
Rd-103A Serial Communication Protocol: Click to View
5. FAQs
- FAQ: Click to View
6. Test Reports
▫️ Power Consumption Test Report
- Rd-103A Power Consumption Test Report: Click to View
▫️ Hardware Reliability Test Report
- Rd-103A Hardware Reliability Test Report: Click to View