AT^HDRCSQ                                                                           
ERROR
AT^PREFMODE?
^PREFMODE:4

OK
AT^PREFMODE=?
^PREFMODE:(2,4,8)

OK
AT^HRSSILVL?
ERROR
AT^HDRINFO
^HDRINFO:12

OK
AT^HDRINFO?
ERROR
AT+CLAC
ERROR
AT&V
ERROR
AT+ARSI=1,4
OK
AT+CIEV?
+CIEV:0

OK


