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

[Adrian Chadd]

txpower 15 is actually 15dBm. Ie, try "ifconfig wlan0 txpower 1.5" :-)


Adrian

2011/8/9 Lev Serebryakov <lev at serebryakov.spb.ru>:
> 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:
>  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 = 40dBm = 10W?! I don't
>  understand something here!
>
> --
> // Black Lion AKA Lev Serebryakov <lev at serebryakov.spb.ru>
>
>