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Date: Tue, 9 Aug 2011 13:53:23 +0400
From: Lev Serebryakov <lev@serebryakov.spb.ru>
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To: Adrian Chadd <adrian@freebsd.org>
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Cc: freebsd-wireless@freebsd.org
Subject: Re: Bad host-vased AP performace -- and qouple of questions about
	FreeBSD WiFi stack tuning
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Hello, Adrian.
You wrote 9 =C1=D7=C7=D5=D3=D4=C1 2011 =C7., 13:35:52:

> There's a dBm to mW chart.
  You've forgot link or attache?

    I'm looking at:
  http://en.wikipedia.org/wiki/DBm

  And according to this table my "30" is 1W, which is not believable
(too high). Datasheet says "21.5dBm at 54Mbit", which means ~140mW,
which is in contradiction with "600mW" from same datasheet (or 400mW,
according to other, as I'm not sure about exact version of my card --
it has protection shield from one version and additional power header
from other).

  And "15" for iwn card is 32mW, which is not believable (too
low).

> Don't forget antenna gain.
  9dBm or 10dBm in my case, oh my. So, result is ~30+10 =3D 40dBm =3D 10W?!=
 I don't
 understand something here!

--=20
// Black Lion AKA Lev Serebryakov <lev@serebryakov.spb.ru>