Sony VPCS111FM - Manual (Page 61)

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Using Your VAIO Computer >
Using the Wireless LAN
Using the Wireless LAN
The Wireless LAN (WLAN) allows your computer to connect to a network through a wireless connection.
The WLAN uses the following IEEE 802.11a/b/g/n standard, which specifies the type of technology used.
See the specifications to find out about the configuration of your computer.
WLAN standard Frequency band Remarks
IEEE 802.11a 5 GHz -
IEEE 802.11b/g 2.4 GHz The IEEE 802.11g standard provides higher-speed communications than the IEEE 802.11b
standard.
IEEE 802.11n 5 GHz/2.4 GHz On models compliant with the IEEE 802.11b/g/n standard, only the 2.4 GHz band can be used.