Here below take TTN as an example about how to connect the device to TTN server:
Sensor
LoRaWAN
SL200CN
SL200EU
SL200US
SL200AS
And this (
http://doc.rejeee.com/web/#/29?page_id=212
) is the data decoder for TTN platform, just copy the
information as below:
Picture as below, FRMPayload is sensor data.
5. Wireless LoraWAN Sensor Data Format
6. Sensor Data Definition