I’m trying to attach my modem (Q2426B) to the GPRS network and when I send the command AT+CGATT=1 the modem responds CME ERROR: 148. In the wavecom FAQ’s appears the possibles causes for this error like:
- When the GPRS services is not enabled on the SIM card.
- When the module is in a roaming and the currently selected PLMN does not support GPRS services for the HPLMN of the module.
- When the received signal strength by the module is very weak.
But my SIM card is already configured to work in the GPRS network and when I check the signal quality with the AT+CSQ command it seems to be OK.
My code is the following:
+CME ERROR: 148
How can I solve this problem???
Thanks to everybody