HL7650 data being used with no data connection


We are using HL7650 modules to control equipment in remote locations using SMS. Our application does not use any data connections, however we are being charged for small amounts of data usage almost daily. Is there an (AT) command that can turn data off in the HL7650 and prevent any data connections being made to the module from the mobile network ?

Thanks in advance.


How about at+cgatt=0

Thanks for the quick reply JyiJyi. I will try the at+cgatt=0 in our control units and see if the data usage stops.