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Scott Mueller's Upgrading and Repairing PCs Forum • View topic - Understanding explanation of Wireless-A in 20th Editon
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 Post subject: Understanding explanation of Wireless-A in 20th Editon
 Post Posted: Sat Dec 24, 2011 5:45 pm 
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Scott, I am having trouble understanding the third and fourth paragraphs on page 799 of the 20th edition of "Upgrading and Repairing PCs". I don't understand the question, "why not skip 802.11b altogether"? Also, in the same paragraph, I'm not sure, but I think you are saying that the Wireless-A devices are good because they avoid interfering with the with the 2.4GHz frequency devices. If that is what you are saying, what does that have to do with skipping 802.11b devices altogether.

Also, looking down below at the fourth paragraph, "Dual-band hardware can work with either 802.11a or 802.11b/g networks, enabling you to move from an 802.11b/g wireless network at home or at Starbucks to a faster 802.11a office network." So are you saying that Wireless-A is faster than Wireless-G? Is a Wireless-A device faster for a given distance than Wireless-G, like it is for Wireless-B?


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 Post subject: Re: Understanding explanation of Wireless-A in 20th Editon
 Post Posted: Sun Dec 25, 2011 12:22 am 
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 Post subject: Re: Understanding explanation of Wireless-A in 20th Editon
 Post Posted: Mon Dec 26, 2011 6:14 pm 
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And I assume that the reason Wireless-B and G are popular at libraries and hotspots, is because they have a greater maximum range.


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 Post subject: Re: Understanding explanation of Wireless-A in 20th Editon
 Post Posted: Mon Dec 26, 2011 10:16 pm 
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Thanks.


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 Post subject: Re: Understanding explanation of Wireless-A in 20th Editon
 Post Posted: Mon Dec 26, 2011 11:10 pm 
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Better range, maximum backwards compatibility, and minimum expense. Scott.


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