Bad host-vased AP performace -- and qouple of questions about FreeBSD WiFi stack tuning

Lev Serebryakov lev at
Tue Aug 9 09:53:27 UTC 2011

Hello, Adrian.
You wrote 9 августа 2011 г., 13:35:52:

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

    I'm looking at:

  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

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

// Black Lion AKA Lev Serebryakov <lev at>

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