It isn't. A cable only LAN works just fine.
wide area network
local area network is only for small area and wireless local area network is for one building.
Wireless LAN means: Wireless Local Area Network. WIFI: is a high frequency wireless local network. So yes, they are similar.
wireless local area network
WLAN = wireless local area network
Wireless Local Area Network
GWAN = Gigabit WAN WAN = Wide Area Network LAN = Local Area Network WLAN = Wireless Local Area Network MAN = Metropolitan Area Network
On a PSP it means Wireless Local Area Network.
A wireless local area network (WLAN)
WLAN, Wi-Fi, or 802.11 network
WAN = Wide Area Network WLAN = Wireless Local Area Network hope I helped
That would be a WAP - Wireless Access Point, which operates as a bridge between the two network types.