NB-IoT Module Series
BC95 AT Commands Manual
BC95_AT_Commands_Manual Confidential / Released 54 / 58
7 Examples
7.1. Attach Network
The module can automatically attach network by default in B650 version, which is controlled by
AT+NCONFIG=AUTOCONN,TRUE command. If you want to manually attach the network, please
execute AT+NCONFIG=AUTOCONNECT, FALSE to disable automatic attachment. This value will be
saved to NV and take effect after restarting the module.
The following shows a simple example to manually attach the network.
Neul //Module is powered on, wait for 3 seconds.
OK
AT+CGSN=1 //Query the IMEI number. If only ERROR is returned, you
need to write the IMEI.
+CGSN: 863703030104298
OK
AT+CFUN=1 //Configure the level of functionality in the MT.
OK
AT+CIMI //Query the IMSI and wait for 4 seconds after executing
AT+CFUN=1.
460012345678966
OK
AT+NBAND? //Query the band information, set BC95-CM/B8 to BAND 8,
BC95-SL/B5 to BAND 5, and BC95-VF/B20 to BAND 20.
Execute AT+NBAND=n to set the frequency band. It will take
effect after restart.
+NBAND:8
OK
AT+CGDCONT=1,“IP”,“HUAWEI.COM” //Configuration PDP.
OK
AT+CGATT=1 //Activate the network.
OK
AT+CSQ //Query current signal quality.
+CSQ:31,99
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