Sony VPCSA Series - Manual (Page 74)

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Using Your VAIO Computer >
Using the Wireless WAN
Using the Wireless WAN
Using the wireless WAN (WWAN) allows your computer to connect to the Internet through the wireless network wherever
there is the mobile phone coverage.
The WWAN may not be available in some countries or regions.
Some features and options in this section may not be available on your computer.
See the specifications to find out about the configuration of your computer.