rm ^C
lindi@ginger:~$ socat - file:/dev/ttySAC0,crtscts,crnl,b115200
AT-Command Interpreter ready
ate1
ate1
OK
at+cfun=1
at+cfun=1
ERROR
at+cpin?
at+cpin?
+CPIN: SIM PIN

OK
at+cpin="0000"
at+cpin?
at+cpin?
+CPIN: SIM PIN

OK
at+cpin="0000"
at+cpin="0000"
OK
at+cpin?
at+cpin?
+CPIN: READY

OK
at
at
OK
at+cops
at+cops

OK
at
at
OK
at
at
OK
at+cops?
at+cops?
+COPS: 0

OK
at+cops=?
at+cops=?

OK
at
at
OK
at+cops?
at+cops?
+COPS: 0

OK
at+cop ps
at+cops

OK
at
at
OK
at
at
OK
at
at
OK
at+cpin?
at+cpin?
+CPIN: READY

OK
at+cops?
at+cops?
+COPS: 0

OK
at+cops?
at+cops?
+COPS: 0

OK


OK
at
at
OK
at+cops
at+cops

OK
at+cops=0,0
at+cops=0,0

OK
at
at
OK
at
at
OK
at+cops?
at+cops?
+COPS: 0

OK
at+cops?
at+cops?
+COPS: 0

OK
at+csq
at+csq
+CSQ: 99,99 

OK