Corporate Summary
This paper will explore the use of the latest wireless technology, the IEEE standard known as 802.11a, in
providing fast, robust, and flexible wireless Local Area Networks that are inexpensive to install and maintain in
corporate, government, medical, and educational environments. We will see how it differs from the 802.11b
standard. We will enumerate its benefits compared to other connectivity solutions. And we will outline the
security options for, and advantages of, wireless networks.
Although the 802.11a and 802.11b standards were established concurrently, 802.11b was first to market due to
its simpler technical implementation. However, 802.11a, offering significant performance advantages, is now
available to IT managers and organizations in need of robust high-speed wireless LANs. The advantages of the
11a standard include:
• Five times the speed
• Up to thirteen times more capacity
• Superior system reliability in the uncluttered 5 GHz band
• Worldwide availability
• Best network upgrade option
• Client compatibility with existing 802.11b installations
Together, these benefits make 802.11a the preferred wireless LAN solution for both those seeking the highest
speed and capacity available in a new installation, and those seeking to expand existing networks while
providing an easy migration to high-speed, high-capacity wireless LAN connectivity.
802.11a—five times faster.
The speed of network connections is a limiting factor for many, if not most, business applications. Connection
speed determines how well an application functions within an organization, just as much or more so than
processor speed. A 2.1 GHz desktop computer that exchanges data over a network via a 56K modem doesn’t
come close to its performance potential. And the productivity of employees on such a network, or even an
802.11b network connecting at up to 11 Mbps, is restricted.
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