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will turn G610 off. This will initiate a normal power-off process, which includes disabling of all
applications interfaces (UART, SIM card, audio, etc.) and logout the network connection.
VDD
POWER_ON
3.4.2.2 Undervoltage automatic shutdown
A low power shut down occurs when G610 senses the external power supply is below the
minimal operating limit (VBAT ≤3.2V). The module will respond by powering down automatically
without notice.
This form of power-down is not recommended for regular use since the unexpected power loss
may result in loss of data.
3.4.3 Turning the G610 Off Using AT Command
+MRST
The AT+MRST command initiates a G610 power off operation, which powers off the G610
without logout networks.
+CFUN
The AT+CFUN=0 command initiates a G610 power off operation, which powers off the G610
with logout networks.
3.5 Sleep Mode
The G610 incorporates an optional low power mode, called Sleep Mode, in which it operates in
minimum functionality, and therefore draws significantly less current.
During Sleep Mode the G610 network connection is not lost. G610 will be waked up cycled and
monitored the GSM network constantly for any incoming calls or data. During Sleep mode, all of the
G610 GPRS Module Hardware User Manual
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