AT Command

Description

AT+CBANDCFG command is used to configure CAT-M or NB-IOT bands


Support

Simcom Module Tutorial

Examples

KeywordsAT+CMNB syntax, examples, parameters, error, input, response.


Try this script included in AT Command Tester Tool.

//Script: at+cbandcfg
//This AT command is applicable for SIMCOM modules only
//Check SIMCOM Module AT Command documentaiton
//Configure CAT-M or NB-IOT Band

//Get the list of supported modes
AT+CBANDCFG=?

//Wait
WAIT=2

//Configure CATM- bands
AT+CBANDCFG="CAT-M",2,4,12,13

//Wait
WAIT=1

//Set preferred mode to NB-IOT
AT+CBANDCFG="NB-IOT",2,4,12,13

//Read the current configuration
AT+CBANDCFG?


Output of above script in AT Command Tester Tool.

AT+CBANDCFG=?
+CBANDCFG: (CAT-M,NB-IOT),(2,3,4,12,13)

OK
AT+CBANDCFG="CAT-M",2,4,12,13
OK
AT+CBANDCFG="NB-IOT",2,4,12,13
OK
AT+CBANDCFG?
+CBANDCFG: "CAT-M",2,4,12,13
+CBANDCFG: "NB-IOT",2,4,12,13

OK