Specifications

Command Reference
Rev 3.2 Oct.05 95
+CSTA
[=<string>]
+CSTA?
Type of address
Selects the type of number to be used for further dialing commands according to
GSM specifications.
+CSTA? returns the current setting.
Supported values
<type> is the type-of-address octet in integer format (see the standard GSM
04.08[8], subclause 10.5.4.7)
The default value depends on the format of the dialing string
• When the string includes the international access code character +,
<type>=145 by default.
• Otherwise, <type>=129 by default.
+CSQ Signal quality report
Returns the Received Signal Strength Indication (RSSI) and channel Bit Error
Rate (BER) from the modem:
+CSQ: <rssi>,<ber>
Returned values
<rssi> is an integer representing a range of RSSI values:
• 0 -113 dBm or less
• 1 -111 dBm
• 2–30 -109 through -53 dBm
• 31 -51 dBm or greater
• 99 not known or not detectable
<ber> is an integer representing the percentage of bit errors:
• 0–7 RXQUAL values in the table in the standard GSM 05.08[20],
subclause 8.2.4:
0=BER < 0.2%
1=0.2% < BER < 0.4%
2=0.4% < BER < 0.8%
3=0.8% < BER < 1.6%
4=1.6% < BER < 3.2%
5=3.2% < BER < 6.4%
1=6.4% < BER < 12.8%
1=12.8% < BER
• 99 Not known or not detectable
Table 3-9: Command Reference Table (ASCII Alphabetic)
Command Description