3. Operation
3.1 Transport Mode
They are shipped with a plastic battery isolation tab that must be removed to enable
operation.
3.2 Default Operation
While in default operation the device will send a join request message after booting.
After joining successfully, the device will detect the decibel value every 5 minutes. If the
decibel value over the threshold, the sensor will send a status message.
4. Messages
LoRaWAN Packets for this device use port 105.
4.1 Status
4.1.1 Triggers
Packet Triggers: detect decibel value per 5 minutes or the decibel value is more than the
threshold.
4.1.2 Payload
Port
105
Payload Length
4 bytes
Bytes
0
1
2
3
Field
Status
Battery
Temp
Decibel
© 2019 Browan Communications Inc. All rights reserved.
3
