HLK-LD1125H 24GHz Human Presence Detection Radar Module – Motion & Stationary Sensing

HLK-LD1125H 24GHz Human Presence Detection Radar Module – Motion & Stationary Sensing

Description:
The HLK-LD1125H is a 24GHz radar module designed for accurate human presence detection in smart automation, security, and energy management systems. It can detect stationary humans up to 4 meters and movement up to 8 meters, making it ideal for smart homes, offices, and commercial applications.

Featuring 10dBm transmitting power and low power operation (80mA @ 5V DC), this module ensures reliable and energy-efficient performance. Its ±20° detection angle provides focused sensing coverage, while the serial port uplink with serial protocol output enables smooth integration into IoT and automation systems.

Key Features:

• Operating Frequency: 24GHz–24.25GHz

• Function: Human presence detection (stationary & motion)

• Detection Distance: 4m stationary, 8m motion

• Detection Angle: ±20°

• Output Interface: Serial port uplink

• Output Type: Serial protocol

• Transmitting Power: 10dBm

• Power Supply: DC 5V, Average current 80mA

• Module Dimensions: 31×16×9mm

• Operating Temperature: -20℃ to +60℃

• Applications: Smart lighting, office occupancy sensing, security systems, energy-efficient automation