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UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 218 / 247
Parameter
Example
AT+CCLK?
//Query the local time
+CCLK: "08/01/04, 00:19:43+00"
OK
13.3. AT+QALARM Set Alarm
This command is used to set alarm based on RTC clock. When RTC clock ran to the alarm time preset,
the URC “
ALARM RING
” or “
ALARM MODE
” would be reported. When ME is always powered on,
“
ALARM RING
” indicates an alarm is raised. When ME is powered off and kept the power supply, ME will
be powered on by raised alarm
and “
ALARM MODE
” would be reported.
AT+CCLK Clock
Test Command
AT+CCLK=?
Response
OK
Read Command
AT+CCLK?
Response
+CCLK: <time>
OK
Write Command
AT+CCLK=<time>
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<time>
String type value, format is "yy/MM/dd,hh:mm:ss±zz", indicate 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"
Quectel
Confidential