Quectel UG Series

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