Hi-link HLK-LD6002B 60Ghz 3D Presence Radar Sensor Module

The Hi-Link HLK-LD6002B is a microwave radar sensor module engineered for motion detection, proximity sensing, and occupancy monitoring. Using Doppler radar technology, the module emits microwave signals and detects frequency shifts in the reflected waves to accurately determine movement and presence.

Unlike PIR sensors that depend on heat and line-of-sight, the HLK-LD6002B provides non-contact detection and can sense motion through non-metallic materials such as glass, plastic, and thin walls. Its compact form factor, adjustable sensitivity, and digital output make it easy to integrate into smart lighting, HVAC control, security systems, robotics, and automatic access solutions.

Designed for energy-efficient systems, the module operates on 5V DC and supports continuous, always-on sensing with minimal power draw—ideal for IoT and smart building deployments.

Key Features

• 60GHz millimeter-wave radar technology
• 3D presence, motion & proximity detection (non-contact)
• Works through non-metallic barriers (glass, plastic, walls)
• Detection range: up to ~6 meters (environment dependent)
• Low power operation: 5V DC
• Digital output: HIGH on detection, LOW when idle
• Adjustable sensitivity to reduce false positives
• Compact & lightweight module for easy integration
• Reliable performance in varying light and temperature conditions

Technical Specifications

• Operating Frequency: 60GHz (mmWave band)
• Radar Technology: Microwave Doppler radar
• Detection Type: Motion, proximity & presence detection
• Maximum Detection Range: ~6 meters
• Operating Voltage: 5V DC
• Output Signal: Digital (HIGH / LOW)
• Detection Method: Non-contact radar sensing
• Sensitivity Adjustment: Supported
• Form Factor: Compact PCB module

(Refer to the datasheet for exact electrical parameters, pin configuration, and tuning guidance.)

Applications

• Smart lighting & automation systems
• Security and intrusion detection
• Occupancy detection for HVAC & energy management
• Automatic doors and access control
• Robotics obstacle & presence sensing
• IoT-based smart building solutions

Package Includes

• 1 × Hi-Link HLK-LD6002B 60GHz 3D Presence Radar Sensor Module

Features and Specifications of the HLK-LD6002B Radar Sensor Module:

1. Technology:

   • The HLK-LD6002B sensor uses microwave radar technology, specifically based on the Doppler effect. When the emitted microwave signals are reflected off moving objects, a frequency shift occurs, which is then detected by the sensor to determine the motion.

2. Operating Frequency:

   • The module operates at a frequency of 2.45 GHz, a standard frequency for microwave radar sensors, ensuring minimal interference and stable performance.

3. Detection Range:

   • The HLK-LD6002B sensor typically has a detection range of up to 6 meters, though the actual range can depend on environmental factors such as object size, movement speed, and surrounding conditions.

4. Low Power Consumption:

   • It operates with a low power consumption of around 5V DC, making it suitable for battery-powered devices and energy-efficient applications, including IoT projects and smart home systems.

5. Digital Output:

   • The sensor provides a digital output signal, where the output is HIGH (3.3V or 5V) when motion is detected and LOW (0V) when no motion is detected. This makes it easy to interface with microcontrollers like Arduino, Raspberry Pi, or other digital systems.

6. Non-contact Sensing:

   • The HLK-LD6002B can detect motion through walls, glass, and other non-metallic materials. Unlike infrared (PIR) sensors, which require line-of-sight, microwave radar sensors can detect motion even if objects or barriers are in the way.

7. Compact Design:

   • The module is compact and lightweight, making it suitable for integration into various systems, whether for home automation, security systems, robotics, or automatic door controls.

8. Sensitivity:

   • The sensor typically allows for adjustable sensitivity, giving users the ability to control how responsive the sensor is to motion. This helps in reducing false positives from small or unintended movements (e.g., small pets or fans).

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