Date: Wed, 27 Sep 2006 15:24:50 +0100 From: Pete French <petefrench@ticketswitch.com> To: dudu.meyer@gmail.com, stable@freebsd.org Subject: Re: 802.11 RSSI value displayed from ifconfig(8) Message-ID: <E1GSaLC-000EQI-L6@dilbert.firstcallgroup.co.uk> In-Reply-To: <d3ea75b30609270710u19d01124n6cae749a943bde99@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> 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.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?E1GSaLC-000EQI-L6>