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802.11a a Viable Alternative PDF Print E-mail
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Written by Jim Geier   
Monday, 02 April 2007
When deciding upon which wireless LAN technology to use, you might be interested in reading my recent article comparing 802.11a and 802.11b/g. The range of 802.11a is better than what many have touted over the past few years. Because of better capacity than either 802.11b or 802.11g, consider 802.11a as a possible alternative when deploying wireless LANs.
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Absolutely right
davidb77380 (Registered) 2007-07-16 16:36:02
I agree -- range is not an issue. Anyone who has deployed enough commercial WLANs knows you can rarely run 2.4GHz radios at more than 20mW to keep co-channel interference in check. At that power level, 802.11b or g will have no more (and generally less) range than 11a.

Another 11a advantage that simplifies deployments is the larger number of non-overlapping channels (at least 8 and usually 12-13 depending on the vendor).

Also, because of the greater number of non-overlapping channels, there is virtually no co-channel interference. And because of that, 802.11a smokes b or g in real world environments.
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