Communication Protocol; Lorawan ® Version - Milesight EM400-MUD User Manual

Installation location:
In order to provide the best data transmission, please ensure the device is deployed within

the signal range of the LoRaWAN
objects and obstacles.
The device must be placed in a horizontal position above the detected object so that it has a

clear path to the object.
The device should be installed at least 30cm away from the side-wall without obstructions

blocking the ultrasonic signal. If the device needs to be installed on the side wall, please
ensure the ultrasonic horn is away from the side wall.
When EM400-MUD is in waste bin mode, place the device in the center of waste bin mode

and here are some recommended sizes of waste bins: when the height is 88cm, the
minimum radius should be 24cm.

6. Communication Protocol

For decoder examples please find files on https://github.com/Milesight-IoT/SensorDecoders.
6.1 LoRaWAN Version
®
All data are based on following format (HEX), the Data field should follow little-endian:
Channel1 Type1
1 Byte 1 Byte
® gateway or base station and keep it away from metal
Data1 Channel2
N Bytes 1 Byte
Type2 Data2 Channel 3
1 Byte M Bytes 1 Byte
...
...
18