Products

  1. Home
  2. Products
  3. Sensor Module
  4. Radar Module
  5. HLK-LD2461 2T4R 24G Millimeter Wave High-precision Multiple Targets Human Perception Trajectory Tracking Radar Module Test Board Kits
  • j

HLK-LD2461 2T4R 24G Millimeter Wave High-precision Multiple Targets Human Perception Trajectory Tracking Radar Module Test Board Kits

  • Visitor
    4118
  • Buycount:
  • Price
    $14.98

LD2461-03

Product Description


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; 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 home, office, hotel and other scenarios to achieve precise sensing of multiple movements, micro movements, or stationary human bodies.


Product parameters


(1) Detection angle and distance


Parameter contentMin
TypeMax
Unit
Perceived distance of stationary targets

-

5

-

m

Sitting position micro motion perception distance

-


6

-

m

Perceived distance of moving targets

-

8

-

m

Number of supported trajectories

-

-

5

pp

Range Accuracy

-

0.1

-

m

Ranging resolution

-

0.75

-

m

Angle measurement accuracy

-

2

-

°

Angle measurement resolution

-

15

-

°

Horizontal action angle

-45

-

45

°

Pitch angle

-25

-

25

°



(2) RF performance

RF performanceMinTypeMaxUnit
Operating Frequency

24.0

-

24.25

GHz

Maximum sweep bandwidth

-

0.25

-

GHz

Maximum equivalent omnidirectional radiation power

-

13

-

dBm


(3) Electrical porformance

RF performanceMinTypeMaxUnit
Working voltage (VCC)

5.0


V

Working current (ICC)

260

400

mA

Working temperature (TOP)

-40

-

85

Storage temperature (TST)

-40

-

85


Module size and pin description

                                             image

                             LD2461-diagram

                                                                                                         Figure 1 Schematic diagram of HLK-LD2461

                                                                                  image

                                                           Figure 2 Schematic diagram of the connection between the radar module and peripherals



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%;




© 2021 Shenzhen Hi-Link Electronic Co., Ltd. All Rights Reserved.

  Nicky
  Bonnie
  Anna
  Ellen