Overview

wireless LAN


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(WLAN)

A local area network in which (some of) the physical links are carried by a free-space signaling system. Much of the cost of a LAN lies in the final flexible link between the network outlet, which is wired in as a fixed part of the fabric, and the actual end-user device such as a PC or workstation. The presence of this link also places restrictions on the location of equipment. A WLAN replaces this final link by a free-space link, using either infrared or microwave as a carrier, allowing freedom of movement for the user and a simplified wiring installation for the fixed wiring.

Subjects: Computing.


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