User's Guide

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2. Paste 3M double-sided tape to the back of the device, then tear the other side off and place it
on a flat surface.
Note:
In order to ensure the best detection, please install the device as follows:
 The recommended installation height is 1.2 m to 1.5 m.

The distance between the device and walls or reflectors should be at least 1 m, and the
distance between the device and doors or windows should be about 1.5 m.
 Do not install the device close to the noise source.

The microphone on the device should not be blocked or trapped by obstacles.
 Recommend installing the device to the ceiling when you need to measure sound level in a
small room.
6. Device Payload
All data are based on the following format (HEX), the Data field should follow little endian:
Channel1
Type1
Data1
Channel2
Type2
Data2
Channel 3
...
1 Byte
1 Byte
N Bytes
1 Byte
1 Byte
M Bytes
1 Byte
...
For decoder examples please find files on https://github.com/Milesight-IoT/SensorDecoders.
6.1 Basic Information
WS302 reports basic information of sensor whenever joining the network.