Re: Wifi Booster for less than a buck.

and know about this?

  http://www.bwmo.net/download.html

page 196, baby (said, austin powers-like). looks like a bit of a steep
learning curve

On Nov 22, 2007 9:08 AM, Tyler Booth <[email protected]> wrote:
> Yes, there is likely a fraction of a db of loss in the solder joint,
> and more importantly if you don't get your measurements exactly right,
> it's not going to be tuned to the correct frequency (2.4ghz). With all
> that in mind, all this is doing is creating an omni that has a
> "flatter" horizontal plane, thus focusing power further out
> (increasing horizontal range) while directing power away from the
> vertical plane (decreasing your vertical range).
>
> Basically the same idea as replacing your linksys rubber ducky antenna
> with a 9dbi omni. It's misleading that they call this a "booster"...
>
>
> On Nov 20, 2007, at 3:34 PM, Russell Senior wrote:
>
> >>>>>> "Tom" == Tom Higgins <[email protected]> writes:
> >
> > Tom> Someone give this a try, id love to see what the hard numbers
> > Tom> are.  If I get a break in the holidays I might try it on an old
> > Tom> linksys duck.
> >
> > I've cobbled together something similar while testing 11a radios and
> > needing something to radiate *something*.  What the video is showing
> > is equivalent to about a 5 dBi antenna, which is where the "twice the
> > range and twice the power" is coming from.  5 dBi is "twice the power"
> > compared to 2 dBi, as your power doubles for every 3 dB.  However,
> > your power drops as the square of the distance (2 squared is 4x) or
> > about 6 dBi for every doubling of distance, so that part is wrong.
> > Bearing in mind my non-expertness in RF, I'd be suspicious of losses
> > in that solder joint too, if it isn't done cleanly.
> >
> > The nice book
> >
> >   http://wndw.net/download.html
> >
> > has some material on antenna construction and theory.  It even points
> > at some software NEC2.  See:
> >
> >   http://wndw.net/pdf/chapter4.pdf
> >
> >
> > --
> > Russell Senior, Secretary
> > [email protected]
> >
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