Siemens SINAUT MD720-3 System Manual page 39

AT+CSQ Check Signal Quality
Test
Command: AT+CSQ=?
Response: +CSQ: (list of supported <rssi>s),(list of supported <ber>s)
OK
Response:
Command: AT+CSQ
Response: +CSQ: <rssi>,<ber>
OK
Parameter: <rssi>:
0
1
2...30
31
99
<ber>:
0...7
99
Notice: The read command (AT+CSQ?) returns an error.
AT+CGSN Request product serial number identification (IMEI) identical to GSN
Test
Command: AT+CGSN=?
Response: OK
Read command
AT+CGSN
Command:
<sn> (identification text for determination of the individual device)
Response:
OK
Parameter: -
Notice: -
SINAUT MD720-3
C79000-G8976-C211
-113 dBm or less
-111 dBm
-109... -53 dBm
-51 dBm or greater
not known or not detectable
as RXQUAL values in the table in GSM 05.08 [20] subclause 8.2.4
not known or not detectable
SINAUT MD720-3 in Terminal Mode
39