Introduction to Wireless Local Area Network

Wireless Network:

A  wireless local-area network (LAN) uses radio waves to connect devices such as laptops to the Internet and to your business network and its applications. When you connect a laptop to a WiFi hotspot at a cafe, hotel, airport lounge, or other public place, you’re connecting to that business’s wireless network.

•Why WLAN?
•Mobility
▫Increases working efficiency and productivity.
▫Roaming support: extended on-line times
-> universal access & seamless services
•No new wiring and installation on difficult-to-wire areas
▫Offices, public places, and homes
▫Factories, vehicles, roads, and railroads
•Reduced installation time
▫No cabling time
▫Easy setup

How are Wireless LANs (WLANs) Similar to (wired) LANs?

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