AT Commands Phone Terminal Terminated
70
AT+CSQ
Signal Quality
AT+CKPD
Keypad Control
<bcl>:
<bcl>
Description
0
Battery exhausted
1-99
Battery charging level; the battery has 1-99 percent of
capacity remaining
100
Battery fully charged
Description:
The command returns received signal strength indication <rssi> and channel bit error
rate <ber> from the ME.
Execution command:
AT+CSQ
Execution command
response:
+CSQ: <rssi>,<ber>
Test command:
AT+CSQ=?
Shows if the command is supported.
Test command
response:
+CSQ: (list of supported <rssi>s),(list of supported<ber>s)
Parameters:
<rssi>:
<rssi>
Description
0
-113 dBm or less
1
-111 dBm
2-30
-109 dBm to -53 dBm
31
-51 dBm or greater
99
Not known or not detectable
<ber>:
<ber>
Description
0-7
RXQUAL values
99
Not known or not detectable
Description:
Emulates ME keypad by setting each keystroke as a character in a string <keys>.
Execution command:
AT+CKPD=
<keys>[,<time>[,<pause>]]
Test command:
AT+CKPD=?
Shows if the command is supported.
Parameters:
<keys>:
<keys>
Description
“#”
Hash (number)
“*”
Star (*)
“0”-”9”
Number keys