HLK-LD2461 24GHz Human Body Tracking Radar Module – 5-Person Detection, Serial Output

HLK-LD2461 24GHz Human Body Tracking Radar Module – 5-Person Detection, Serial Output

Description:
The HLK-LD2461 is a high-precision 24GHz radar sensor module capable of tracking up to 5 people simultaneously, making it perfect for smart building, security, and IoT applications. Operating in the 24GHz–24.25GHz frequency band, it delivers accurate human detection and movement tracking with robust performance.

This module supports a detection range of up to 8 meters, with a vertical angle of ±25° and a horizontal angle of ±45°, providing focused coverage for both height and width. Powered by DC 5V with an average current of 400 mA, it requires a power supply capacity greater than 1A. The serial port uplink with serial protocol output allows easy integration with microcontrollers, PLCs, and embedded systems.

Key Features:

• Operating Frequency: 24GHz–24.25GHz

• Detection Capability: Human body tracking, up to 5 people

• Detection Distance: 8 meters

• Detection Angle: Vertical ±25°, Horizontal ±45°

• Communication: Serial port uplink

• Output: Serial protocol

• Power Supply: DC 5V, average current 400 mA (requires >1A capacity)

• Module Size: 50×35×6mm

• Operating Temperature: -40℃ to +85℃

• Supports Multi-Person Tracking: ✔

Applications:

• Multi-person tracking in smart buildings and offices

• Advanced occupancy and presence detection

• Security and intruder monitoring systems

• Automated lighting, HVAC, and smart IoT integration