Ericsson T39 - AT+CSQ Signal Quality; AT+CKPD Keypad Control

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