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Open the MQTT subscription bar to see the upstream message "860001000006000010301000000" to read the
LoRa configuration based on the upstream message format for the successful execution above.
Change the LoRa Configuration
Downlink instruction message format:
DTU_CMD
MSER
0x07
2Byte
Publish topic:
Application/1/device/60c5a8fffe75404b/tx
Content:
{
"comfirmed":true,
"fPort":129,
"data":"070001000601050103010"
}
The above command changes the data rate to "1" and the transmit power to "5".
Figure 32: Received message with LoRa configuration
MDATA_LEN
DATA
RATE
2Byte
1Byte
MDATA
TXPWR
CONFIRM
1Byte
1Byte
RETRY
ADR
C
1Byte
1Byte
sh
sh
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