It's a 1-byte field in the LoraWAN header, that can be set by the device to distinguish different kind of payloads. The range is 1-223.
On the RN2483: mac tx <type> <portno> <data>
It's a 1-byte field in the LoraWAN header, that can be set by the device to distinguish different kind of payloads. The range is 1-223.
On the RN2483: mac tx <type> <portno> <data>