User Manual

PAGE 48 GPRS / GSM MODEM Configuration MAN4005-04-EN
6. AT+CSQ Signal Quality and Bit Error Rate
AT+CSQ Signal Quality and Bit Error Rate
Command Function Execution command returns received signal strength indication <rssi> and channel bit
error rate <ber> from the ME.
Command Functional Group Phone Control
Command Format Query
Response
AT+CSQ=?
+CSQ: (2-31,99),(99)
OK
Write Format
Response
N/A
N/A
Read Format
Response
N/A
N/A
Execution Format
Response
AT+CSQ
+CSQ: <rssi>, <ber>
OK
Parameter Values
0 -113 dBm or less
1 -111 dBm
2-30 -109... -53 dBm
31 -51 dBm or greater
<rssi>
99 not known or not detectable
0-7 as RXQUAL values in the table in GSM 05.08 [20] subclause 8.2.4 <ber> (in percent)
99 not known or not detectable
7. AT+CMGF SMS Format
AT+CMGF SMS Format
Command Function Set command tells the TA, which input and output format of messages to use.
<mode> indicates the format of messages used with send, list, read and write
commands and unsolicited result codes resulting from received messages.
Mode can be either PDU mode (entire TP data units used) or text mode
(headers and body of the messages given as separate parameters).
Command Functional
Group
Short Message Services
Command Format Query
Response
AT+CMGF=?
AT+CMGF: (0,1)
OK
Write Format
Response
AT+CMGF=<mode>
OK
Read Format
Response
AT+CMGF?
+CMGF: 1
OK
Execution Format
Response
N/A
N/A
Parameter Values
0 PDU mode <mode>
1 Text mode
Notes Use of PDU mode requires an in depth understanding of PDU message and
header formats.
Page 48 of 62 ECN # 956