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2、 Technical parameters

Parameters

Trasmit frequency

Antenna style

Working current

Working voltage

Working temperature

Data interface

Data format

Response time

Level output

Detection range

Detection dead zone

Detection accuracy

Product size

3、Data protocol

Communication configuration：

TTL serial port, the default baud rate is 115200, the data bit is 8, the stop bit is 1, and there is no

check bit.

Fixed query command (HEX): 55 5A 02 D3 84

The module defaults to query mode, sending fixed hexadecimal query commands, and the

module reports distance and other data after successful reception.

Communication format：

Uplink data (module sending)



Word

Frame

length Add

threshold

header

Number

of bytes

content

55A5

Distance

Reserve Situation

HLK-LD303-24G USER MANUAL

Explanation

24.00~24.250GHz

Horizontal angle 43°/vertical angle 116°

79mA(5V)

DC5V~12V

-20~+60℃

TTL serial port

115200，8，n，1

≥60mS

Reserved

10~350cm

10cm

5cm

39*29mm

Signal

strength

Fretting

Radar

off

check