LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 205 / 231
Parameter
Example
AT+CCLK?
//Query the local time
+CCLK: “08/01/04,00:19:43+00”
OK
13.3. AT+CBC Battery Charge
The command returns battery charge status
<bcs>
and battery charge level
<bcl>
of the MT.
Read Command
AT+CCLK?
Response
+CCLK: <time>
OK
Write Command
AT+CCLK=<time>
Response
OK
If there is any error related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<time>
String type value. The
format is “yy/MM/dd,hh:mm:ss±zz”, indicating year (two last digits),
month, day, hour, minutes, seconds and time zone (indicates the difference, expressed in
quarters of an hour, between the local time and GMT; range -48...+56). E.g. May 6
th
, 1994,
22:10:00 GMT+2 hours equals to “94/05/06,22:10:00+08”.
AT+CBC Battery Charge
Test Command
AT+CBC=?
Response
+CBC:
(list of supported
<bcs>
s)
,
(list of supported
<bcl>
s)
,<voltage>
OK
Execution Command
AT+CBC
Response
+CBC: <bcs>,<bcl>,<voltage>