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Question Title Wireless Network Standards

Wireless Networking Standards

802.11 is the wireless standard developed by the IEEE group. While there are several 802.11 standards, consumers are primarily aware of two with a couple of others that may not have been truly embraced. 802.11b has been the most popular standard up until recently, and the market was flooded early with 802.11b routers and network cards. Since then, a few others have emerged and if you're planning a network , you'll need to consider their benefits and costs when deciding what option is best for your home or office. Planning your network in advance can save you time and money in the future.

Standard

Frequency

Range

Speed

802.11b

2.4 GHz

150 feet

11Mbps

802.11a

5 GHz

80-100 feet

54 Mbps

802.11g

2.4 GHz

150 feet

54 Mbps

802.11n

2.4 or 5 GHz

160 feet

200 Mbps

What to Buy?

If you're going to buy a router and some network ing cards today, you probably want to buy an 802.11g router. The 802.11g standard is backward compatible with the widely used 802.11b devices. So if you have a mixture of the two in your home or office, the G router can handle them both.

802.11a offers a speed boost over 802.11b, but because it operates on a different frequency it is not backward compatible with B or G. The higher frequency seems to also have an effect on indoor range. This standard never took a strong hold because 802.11b had already saturated the market with hardware that would not work with the newer and faster 802.11a devices.

What will the future bring?

If the 802.11 standards have taught us anything, they have taught us that WiFi is an evolving entity. The newer and faster 802.11n standard set to launch in early 2007 promises backward compatibility with B and G, while offering increased range and quadrupled speeds. Using MIMO (multiple input, multiple output antennas), this standard holds a lot of promise for homes and offices that want to unplug their devices and finally be able to enjoy the freedom of mobility without taking a hit on performance.

Authored by: David This question has been viewed 3602 times so far.
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Article Number: 11
Created: 2007-01-06 1:34 PM
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