SimCom SIM700C

Smart Machine Smart Decision
SIM7000 Series_AT Command Manual_V1.03 105 2018-05-08
Reference Note
 The command is only valid that module registering in CAT-
M or
NB-IOT network.
5.2.30 AT+CBANDCFG Configure CAT-M Or NB-IOT Band
AT+CBANDCFG Configure CAT-M Or NB-IOT Band
Test Command
AT+CBANDCF
G=?
Response
+CBANDCFG: (CAT-M,NB-IOT),(list of supported <band>s)
OK
Read Command
AT+CBANDCF
G?
Response
+CBANDCFG: "CAT-M",<band>[,<band>…]
<CR><LF>+CBANDCFG: “NB-IOT”,<band>[,<band>…]
OK
Parameters
See Write Command
Write Command
AT+CBANDCF
G=<mode>,<ban
d>[,<band>…]
Response
OK
If failed:
+CME ERROR: <err>
Parameters
<mode> string type; network system mode.
"CAT-M" LTE Cat.M1(eMTC)
"NB-IOT" Narrow Band Internet of Things
<band> Integer type;The value of <band
> must is in the band list of
getting from AT+CBANDCFG=?
Parameter Saving
Mode
AUTO_SAVE
Max Response
Time
-
Reference Note
 The command can take effect immediately,It
does not need to reboot
module.
5.2.31 AT+CNACT App Network Active
AT+CNACT App Network Active
Read Command
AT+CNACT?
Response
+CNACT: <status>,<ip_addr>
OK
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