From owner-freebsd-mobile  Mon Feb  3 10:28:46 2003
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To: Andrew Back <andy@smokebelch.org>
Cc: Wesley Morgan <morganw@chemikals.org>,
	paul beard <paulbeard@mac.com>, Randy Bush <randy@psg.com>,
	FreeBSD Laptoppers <freebsd-mobile@FreeBSD.ORG>
Subject: Re: 11g 
In-reply-to: Your message of "Mon, 03 Feb 2003 18:09:29 GMT."
             <20030203175404.O16374-100000@plum.flirble.org> 
Date: Mon, 03 Feb 2003 10:28:43 -0800
From: "Kevin Oberman" <oberman@es.net>
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> Date: Mon, 3 Feb 2003 18:09:29 +0000 (GMT)
> From: Andrew Back <andy@smokebelch.org>
> Sender: Andy Back <andy@flirble.org>
> 
> 802.11a may be a better option in areas that suffer pollution in the
> 2.4GHz ISM band. But don't forget that your unlikely to get the same
> range running at 5GHz as you would at 2.4GHz. As a general rule as
> frequency increases range decreases.

Yes, this is true, assuming all other factors are equal (which they
seldom are). But the vast majority of wireless nets could substitute
'a' for 'b' with no problems. They might have to move around antennas
a bit, but normally not even that if the 'b' network was conservatively
designed.

R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634


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