LoRaWAN Uplink Formats

Multi Temperature Uplink Payload Formats

When measuring of multi temperature sensors is enabled and sensors are detected or configured the Gateway will transmit the data on regular intervals on port 30 or 31, depending on the configuration. When the total length of data will not fit into a single message, it will be split and uploaded in multiple packets using this format.

Uplink frame with sensor IDs (Port 30)

To save space the first byte (The sensor family code, 0x28) and the last byte (CRC) are omited.

Byte | 0      | 1 .. 7       | 8 . 9  | 10 .. 16    | 17 . 18 | ... |
     +--------+--------------+--------+-------------+---------+-----+
Data |Success | Sensor ID 1  | Temp 1 | Sensor ID 2 | Temp 2  | ... |

Uplink frame without sensor IDs (Port 31)

Byte | 0       | 1 . 2  | 3 . 4  | ... |
     +---------+--------+--------+-----+
Data | Success | Temp 1 | Temp 2 | ... |