802.11 RSSI value displayed from ifconfig(8)

[Eduardo Meyer]

How bad. But no big deal since I use mainly atheros and senao (prism) cards.

Is this paper's information accurate regarding atheros?

Say, RSSI = 23 is -72dbm?

On 9/27/06, Pete French <petefrench at ticketswitch.com> wrote:
> > Hello, I would like to convert RSSI to dBm (in fact I would love if
> > ifconfig cound display SNR in dBM), so I would like to know if this
> > formula is any right:
>
> Take a look here:
>
> http://www.wildpackets.com/elements/whitepapers/Converting_Signal_Strength.pdf
>
> Especially at the top of page 5. RSSI isn't defined to be in particular
> units, so the formula will be different for each piece of radio hardware
> you have. Unless you have a way of calibrating your specific interface
> then you probably cant do it in any meaningful way.
>
> -pete.
>


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===========
Eduardo Meyer
pessoal: dudu.meyer at gmail.com
profissional: ddm.farmaciap at saude.gov.br