AT Command

Description

AT+CNMP command is used to set the preferred selection between CAT-M and NB-IOT.

 


Support

Simcom Module Tutorial

Examples

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


Try this script included in AT Command Tester Tool.

//Script: at+cmnb
//This AT command is applicable for SIMCOM modules only
//Check SIMCOM Module AT Command documentaiton
//Preferred selection between CAT-M and NB-IOT

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

//Read the current preferred mode
AT+CMNB?

//Wait
WAIT=2

//Set preferred mode to CAT-M
AT+CMNB=1

//Wait
WAIT=1

//Set preferred mode to NB-IOT
AT+CMNB=2

//Wait
WAIT=1

//Set preferred mode to VAT=M and NB-IOT
AT+CMNB=3


Output of above script in AT Command Tester Tool.

AT+CMNB=?
+CMNB: ((1-Cat-M),(2-NB-IoT),(3-Cat-M And NB-IoT))

OK
AT+CMNB?
+CMNB: 2

OK
AT+CMNB=1
OK
AT+CMNB=2
OK
AT+CMNB=3
OK