HLK-LD2460 2T4R 24G Millimeter Wave High-precision Multiple Targets Human Perception Trajectory Tracking Radar Sensor Module

LD2460-33 拷贝 LD2460-22 拷贝 Product Description

HLK-LD2460 is a 24GHz millimeter wave radar product for human perception, with distance angle test function. It consists of 1-transmitter and 2-receiver millimeter wave radar chips, high-performance microstrip antenna, high-performance MCU, high-performance Bluetooth SOC and peripheral auxiliary circuits. It uses FMCW waveform to accurately identify 3-5 human targets and estimate the location of the targets. This product can be used in scenes such as home, office, hotel, etc. to achieve accurate sensing of multiple moving, micro-moving or stationary human bodies.

Product parameters

(1) Detection angle and distance

No.	Project	Function description	Index
1	Number of people detected	Number of people can be detected with the module	If a person is sitting or standing in the radar field of view, at least 3 people can be detected; if a person is moving, up to 5 people can be detected
2	Detection distance	The detection distance and conditions of the module in the bare board state	1 Dynamic human body: within ±50°, distance ≥6m; ±50°~±60°, distance ≥5.5m 2 Static human body: within ±50°, distance ≥5m; ±50°~±60°, distance ≥4.5m
3	Distance resolution	The minimum distance distinguished by this module	0.75m
4	Distance accuracy	The absolute error of the module in distance	≤0.3m
5	Horizontal detection angle	The maximum horizontal angle that the module can detect	120°
6	Vertical detection angle	The maximum vertical angle that the module can detect	90°
7	Angular resolution	The minimum angle distinguished by this module	40°
8	Angle accuracy	The module's absolute angle error	≤5°
9	OTA function	Online upgrade function	Support
10	Motion trigger time	Refers to the detection time when a person is exercising	0.5s
11	existence perception time	Refers to the detection time when a person is stationary	≤30s

(2) Electric performance

No.	Project	Index
1	Working frequency band	24GHz-24.25GHz
2	Working bandwidth	250Mhz
3	EIRP	13dBm
4	Modulation method	FMCW (Frequency Modulated Continuous Wave)
5	Working voltage	5V
6	Working Current	≤250mA
7	Working temperature	-40℃~85℃
8	Storage temperature	-40℃~85℃

Module size and pin description

Module pin definition

Pin No.	Name	IO type	Function	Illustration
1	5V	PWR	Power input	DC5V
2	GND	GND	GND	GND
3	Tx1	O	UART1 output	-
4	Rx1	I	UART1 input	-
5	VDD33	PWR	Power input	3.3V/NC, not connected when not debugging
6	GND	GND	GND	GND
7	Tx2	O	UART2 output	Radar data reporting and command response
8	Rx2	I	UART2 input	Command receiving
9	IO1	I/O	GPIO1/Reserved	-
10	IO2	I/O	GPIO2/Reserved	-
11	IO3	I/O	GPIO3/Reserved	-
12	IO4	I/O	GPIO4/Reserved	-

Table 1 Definition of radar pin

Warmly note: In order to receive serial port data normally, the serial port needs to share the same ground with the module.

Using connection figure

connection

Figure 4 Schematic diagram of radar module and peripheral connection

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HLK-LD2460 2T4R 24G Millimeter Wave High-precision Multiple Targets Human Perception Trajectory Tracking Radar Sensor Module