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L810-MiniPCIeHardware User Manual
Page 23 of 26
5.7 W_DISABLE Signal
L810-MiniPCIe provides a hardware pin to enable/disable WWAN RF functional, and the function can also
be controlled by the AT command. The module enters Flight mode after RF function is disabled.
Description for W_DISABLE signal is as follows:
Pin
Pin name
I/O
Pin description
Voltage
20
W_DISABLE
I
Low active, the module enters the Flight
mode
3.3V
Function definition for W_DISABLE signal is as follows:
W_DISABLE signal
Operating mode
Low
WWAN function is disabled, the module enters Flight mode
High
WWAN function is enabled, the module exits from the Flight mode
Floating
WWAN function is defined by the AT command, and it is enabled by
default
