On Mon, Mar 12, 2007 at 12:05:20PM +0800, Lars Hansson wrote:
> I'm trying to understand the output of ifconfig for 802.11 interfaces 
> and while most of it is obvious one part isn't (at least not to me).
> In the below output, what exactly does the "20dB" stand for and how do I 
> interpret it? Looking at the ifconfig source it would also appear that 
> it (whatever it is) could also be expressed as a percentage?
> 
> $ ifconfig ural0
> ......
>         ieee80211: nwid unet chan 6 bssid 00:0f:3d:0d:eb:ac 20dB nwkey 
> 0x8353c823e7 100dBm
> 

it is the received single strength indicator.

take you laptop, move a bit around, go to the next room and you will
see that this value increases and decreases.

reyk

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