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A wireless LAN (WLAN) is a
flexible data communication system implemented as an extension
to a wired LAN within a building or campus. Using
electromagnetic waves, WLAN transmit and receive data over the
air, minimizing the need for wired connections. With wireless
LANs, users can access shared information without having to plug
in, and network managers can set up without installing or moving
wires. Wireless LANs offer the following productivity, service,
convenience, and cost advantages over traditional wired
networks:
Mobility - This
mobility supports productivity and service opportunities not
possible with wired networks.
Easy Installation
- Installing a wireless LAN system is fast and easy and
eliminates the need for additional cable drops through walls
and ceilings.
Reduced Total Cost-of-Ownership
- While the initial investment required for wireless LAN
hardware can be higher than the cost of wired LAN hardware,
overall installation expenses and life-cycle costs can be
significantly lower.
Scalability -
Wireless LAN systems can be configured in a variety of
topologies to meet the needs of specific applications and
installations.
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