Re: wireless keyboard encryption
On Wed, 26 Sep 2007 08:53:54 -0400
"Douglas A. Tutty" <dtutty@porchlight.ca> wrote:
> On Wed, Sep 26, 2007 at 01:27:06AM -0400, Celejar wrote:
> > [catching up on a d-u backlog]
> >
> > On Fri, 21 Sep 2007 02:23:07 -0600
> > Nate Duehr <nate@natetech.com> wrote:
> >
> > [snip]
> >
> > > I think you'll find that even "good" wireless keyboards won't easily
> > > penetrate more than a single wall of your home, and won't extend very
> > > far past an exterior wall in most setups, if at all. I can't even
> > > put the receiver under the 1 1/2" thick wooden desk on top of the
> > > computer without some glitches -- these devices use VERY low RF
> > > output... at least the ones I own.
> >
> > Doesn't penetration vary *inversely* with the frequency?
>
> Yes but this is a non-sequeter. VERY low RF output implies power not
> frequency. To be concise: penetration will vary directly with power
> and inversely with frequency. We won't get into antennal _length_ :)
>
> Doug.
I misunderstood the OP's syntax; I thought 'VERY low' modified
'radio frequency' rather than '[power] output'.
Celejar
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