The HLK-LD6002C is a compact 60GHz millimeter-wave radar sensor module based on FMCW modulation, designed for detecting human presence and fall events in real-time. By integrating mmWave signal processing algorithms, this module provides accurate detection and alerts for single-person indoor environments, making it ideal for elderly care, home security, and smart building scenarios.
Key Features
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FMCW 60GHz radar (58–62GHz) for high precision sensing
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Fall detection accuracy: 90% (typical)
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Detection range: ≤2 meters (recommended mounting height: 2.2–3.0m)
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Detection angle: ±60° horizontal / ±60° vertical
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Maximum detectable target: 1 person
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Low power: 3.3V typical, >1A current
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Compact size: 23 × 25 × 9 mm
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Supports UART ASCII output for easy MCU integration
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Operating temperature: -20°C to +85°C
Applications
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Elderly care monitoring (bedroom, bathroom, toilet)
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Home security intrusion/fall detection
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Smart home automation systems
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Hospital and assisted living environments
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Contactless human presence detection in public or private spaces
Technical Specifications
| Parameter | Value |
|---|---|
| Model | HLK-LD6002C |
| Radar Type | FMCW millimeter wave |
| Frequency Range | 60GHz (58–62GHz) |
| Transmit Power | 12dBm |
| Antenna Gain | 4dBi |
| Fall Detection Range | ≤2 meters |
| Fall Detection Accuracy | 90% (typical) |
| Voltage Supply | 3.3V (typical), >1A |
| Interface | UART0, ASCII format |
| Dimensions | 23 × 25 × 9 mm |
| Weight | 2g |
| Operating Temp | -20°C ~ +85°C |
| Material | Polymeric composite |
| Output Type | Digital signal sensor |
| Pin Pitch | 2.0mm, 8-pin connector |
Pin Definitions
| Pin | Name | Function |
|---|---|---|
| 1 | 3V3 | Power input 3.3V |
| 2 | GND | Ground |
| 3 | P19 | GPIO19 (Boot) |
| 4 | TX2 | GPIO20 |
| 5 | AIO1 | Analog input |
| 6 | SCL0 | GPIO07 |
| 7 | TX0 | Serial port TX |
| 8 | RX0 | Serial port RX |
Mounting & Operation Notes
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Recommended ceiling mount: 2.2–3.0 meters height, effective radius ≤2m
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Suitable for single-person, small-area indoor fall detection
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Power input must be 3.3V with current ≥1A, ripple < 50mV
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Default baud rate: 115200bps
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Ensure stable DCDC power source > 2MHz switching frequency if using converters
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Not suitable for outdoor or multi-person scenes without algorithm adaptation
Package Includes
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1 × HLK-LD6002C 60GHz Radar Module