Quectel EC25

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 204 / 231
13 Hardware Related Commands
13.1. AT+QPOWD Power off
The command is used to shut down the module. The UE will return OK immediately when the command is
executed. Then the UE deactivates the network. After it is completed, the UE outputs POWERED DOWN
and enters into the shutdown state. The maximum time for unregistering network is 60 seconds. The UE
is not allowed to turn off the power before the module‟s STATUS pin is set low or the URC POWERED
DOWN is outputted to avoid data loss.
Parameter
13.2. AT+CCLK Clock
The command sets and queries the real time clock (RTC) of the module. The current setting is retained
until the module is totally disconnected from power.
AT+QPOWD Power off
Test Command
AT+QPOWD=?
Response
+QPOWD: (0,1)
OK
Execution Command
AT+QPOWD[=<n>]
Response
OK
POWERED DOWN
Maximum Response Time
300ms
<n> 0 Immediately power down
1 Normal power down
AT+CCLK Clock
Test Command
AT+CCLK=?
Response
OK