Quectel BG950A-GL - Turn off; Turn off the Module with PWRKEY

LPWA Module Series
BG950A-GL&BG951A-GL_Hardware_Design
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The power-up scenario is illustrated in the following figure.
Figure 8: Power-up Timing
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3.8. Turn Off
The following procedures can be used to turn off the module:
3.8.1. Turn off the Module with PWRKEY*
When the module is in power on mode, driving the PWRKEY low for at least 650–1500 ms, then the
module will execute power-down procedure after the PWRKEY is released.
Ensure that VBAT is stable for at least 30 ms before pulling down the PWRKEY.
NOTE