User Manual

//AT+ APPEUI=1122334455667788
AT+ APPKEY=(16 bytes long)
tuple’s
information
Note：When the equipment leaves the factory, the ternary default value is 0. If the
setting is successful, save automatically and the saved value is used to the next start.
( Refer to the APP User Manual for the definition and acquisition of three tuple);
APPEUI is not used in three tuple.
The reason of ERROR returned after AT : No parameter or wrong parameter length.
5.3.2，Set the working (networking) mode
Format Note
Instruction AT+CLASS=A
Optional mode
A|B|C
Respond AT+CLASS=OK /AT+CLASS=ERROR
Instruction AT+CLASS=?
query current
mode
Respond
AT+CLASS=A / AT+CLASS=B OR
AT+CLASS=C
Note：Set the working mode of the module before entering the network. The modes
are only three A/B/C options.
If the setting is successful, save automatically and the saved value is used to the next
start.
The reason of ERROR returned after AT: No parameter or parameter value error.
5.3.3 Set the channel
Format Note
Instruction AT+CHANNEL=1
Set the channel
1~63
Respond AT+CHANNEL=OK /AT+CHANNEL=ERROR
Instruction AT+CHANNEL=? The query
Respond AT+CHANNEL=12 The query results
Note：
The range of channel is 1~63（total 63 channels， 868(for EU)/915are the same）。
The gateway, set by the server.
When the terminal first starts, it should scan 5 channels (i. e. , try to enter the network
after sending AT to set 0, set 1 to try, and set 2 to try to enter. ..). When the network is
successful, the set channel is the channel corresponding to the gateway.
For the LoRa module, it is saved after each setting, and the last saved value is used
the next startup.
The reason of ERROR returned after AT: No parameter or parameter value error (note
the maximum number of the channels for each band)