HLK-LD2461 2T4R 24G 2T4R Human Tracking Radar Module

HLK-LD2461 is a 24GHz millimeter wave radar product used for human perception, consisting of two 1-engine 2-receiver millimeter wave radar chips, high-performance microstrip antennas, high-performance MCU, and peripheral auxiliary circuits.

HLK-LD2461 is serial communication, the operating frequency range is 24.00GHz~24.25GHz, which is the ISM frequency band with a working bandwidth of 250MHz. This product can be used in the home, office, hotel, and other scenarios to achieve precise sensing of multiple movements, micro-movements, or stationary human bodies.

 Product Parameters 

• Frequency: 24G-24.25GHz
• Frequency Sweep Bandwidth: 250MHz (Complies with CE/FCC certification standards)
• Modulation Type: FMCW
• Detection Angle: Azimuth ±45° / Elevation ±25°
• Detection Range: 5m (Stationary) / 6m (Micro-motion in sitting position) / 8m (Motion) (Typ.)
• Distance Resolution: 0.75m (Typ.)
• Distance Accuracy: 0.1m (Typ.)
• Angle Accuracy: 2° (Typ.)
• Angle Resolution: 15° (Typ.)
• Maximum Equivalent Isotropic Radiated Power: 13dBm (Typ.)
• Power Supply Voltage: 5V (Typ.)
• Dimensions: 35x50mm
• Operating Temperature: -40℃~+85℃
• Data Format: Serial ASCII output
• Package Type: Default 1.5mmx4-pin female connector (customizable)
  

Main Functions and Performance

A. Motion detection

a) Motion perception distance: ≤ 8 meters (normal range of motion);

b) Motion trigger time: ≤ 0.5s;

c) Accuracy: ≥ 99%;

B. Human presence detection (respiratory detection)

a) Perceived distance of stationary human body: ≤ 6 meters (for stationary human body);

b) Unmanned detection maintenance time: 15 seconds;

c) Accuracy: ≥ 95%;

C. Population statistics

a) Detection distance: ≤ 6 meters;

b) Number of detections: ≤ 5 people;

c) Accuracy: ≥ 90% (3 people), ≥ 80% (5 people);

D. Direction detection

a) Identify the entry and exit, left and right, front and back directions of the human body;

b) Detection distance: ≤ 6 meters;

c) Accuracy: ≥ 95%;

E. Trajectory detection

a) Identify the movement route of the human body within the detection area, making it easy to determine the position and direction of human movement;

b) Support multi person trajectory, achieving a maximum of 5 people to maintain the trajectory;

c) Detection distance: ≤ 6 meters;

Accuracy: ≥ 90%;

Download

HLK-LD2461_Tool (upper computer) instruction

HLK-LD2461 Quick Test Document

HLK-LD2461TOOL_V1.02 (english).zip