Sure enough, Fry's doesn't sell ALFA wifi devices, but Amazon does.

On Sat, Dec 6, 2014 at 2:33 PM, elcaseti . <[email protected]> wrote:

> I'm not sure if you can buy an ALFA at Frys or not.  You might have to
> order it online.
>
> On Sat, Dec 6, 2014 at 7:58 AM, Chuck Hast <[email protected]> wrote:
>
>> OK, now that you have told me that bit about pointing it in different
>> directions
>> I will say something about polarization. The wave front is polarized, and
>> depending on how the AP was setup it can be horizontal or vertical, and of
>> course travel through walls and being reflected will twist the
>> polarization, so
>> not only do you want the antenna to face towards the source you may want
>> to rotate it to see if you get more signal. Off polarization antennas can
>> cost
>> a lot of dB. When doing links that is a old trick to run two antennas in
>> closer
>> proximity, run one horizontal and the other vertical and you will get
>> about
>> 30
>> dB of isolation.
>>
>> On Sat, Dec 6, 2014 at 7:52 AM, Rich Shepard <[email protected]>
>> wrote:
>>
>> > On Sat, 6 Dec 2014, Chuck Hast wrote:
>> >
>> > > I have a 2 meter USB extension cable, it comes in very handy for that
>> > sort
>> > > of thing, putting a USB WiFi radio in a location where it can hear the
>> > AP.
>> >
>> > Chuck,
>> >
>> >    Good idea. I have a WiFi signal strength tester (4 LEDs, no meter)
>> and
>> > have seen how pointing it in different directions within the hotel room
>> > can change the signal strength.
>> >
>> > > I carry one around as part of my away kit. Sometimes the place where
>> you
>> > > set your computer is not in best of coverage, but you move the thing
>> > > around a bit and you find a hot spot, but it is not where you can set
>> > your
>> > > computer.
>> >
>> >    Guess I'll need to reluctantly make the trip to Fry's for a USB wifi
>> > adapter, entention cable, and antenna.
>> >
>> >    And look at choices for WiFi/Cellular translators, too.
>> >
>> >    More to carry on trips, but should help communicating with the office
>> > network.
>> >
>> > Thanks,
>> >
>> > Rich
>> > _______________________________________________
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>> > [email protected]
>> > http://lists.pdxlinux.org/mailman/listinfo/plug
>> >
>>
>>
>>
>> --
>>
>> Chuck Hast  -- KP4DJT --
>> Glass, five thousand years of history and getting better.
>> The only container material that the USDA gives blanket approval on.
>> _______________________________________________
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>>
>
>
>
> --
> Free Geek Seattle- Helping The Needy Get Nerdy
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>



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