What is Wireless Networking?
A Wireless Local Area Network (WLAN) is a flexible data communications system that can either replace or extend a wired LAN to provide added functionality. A traditional, wired local area network (LAN) sends packets of data from one piece of equipment to another across cables or wires. A wireless local area network (WLAN) relies instead upon radio waves to transfer data. Data is superimposed onto a radio wave through a process called modulation, and this carrier wave then acts as the transmission medium, taking the place of a wire.

The importance of WLAN technology, however, goes far beyond just the absence of wires. The advent of the WLAN opens up a whole new definition of what a network infrastructure can be. No longer does an infrastructure need to be solid and fixed, difficult to move, and expensive to change. Instead, it can move with the user and change as fast as the organization does. For example, business people can stay connected as they move throughout the corporate campus, easily tapping into the resources of the wired network.

Wireless Networking

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WLAN provides continuous, cable free access to your network, e-mail, and the Internet throughout the workplace. Onsite work teams, like consultants, can create temporary peer-to-peer (ad hoc) networks for high efficiency collaboration and document sharing.

Eighty-seven percent of end users believe WLAN improves their quality of life by increasing flexibility, productivity, and saving time. Forty-three percent believed this improvement was significant. (Cisco*/NOP Study 2001)
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