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  #1 (permalink)  
Old 11-02-2011, 01:54 AM
miso
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Posts: n/a
Default Re: Homemade Antenna Choice, Jeff, et al, can you give me your bestguess?

> http://www.data-alliance.net/-strse-...USB/Detail.bok

While I agree with Jeff that USB sucks, this is a decent USB wifi
dongle. The antenna is external via reverse SMA. It is quite cheap
through Data Alliance and these guys ship fast. I got this one and the N
version, though the 036H is the better long distance unit.

While it's fun to build antennas, there are some cheap wifi antennas
that are pretty good. Try the Laird PA24-16. The radiation pattern
doesn't have a lot of lobes. It is about $35 if you look around.

I built the wifi biquad a few years ago for yucks. It worked OK. There
are some tips on this list on how to build it since many of the websites
do it incorrectly.

I like these panel antennas. They are easy to transport. All the
elements are under a radome, so other than water infiltration problems,
they are well suited for outdoors. Avoid units that come with a pigtail.
It is better to have a connector on the back.

Given construction tolerances, antennas that depend upon aperture rather
than elements re-radiating the signal will work better. That is, a yagi
looks good on paper, but a lot depends on how tightly all the dimensions
are controlled. These panel antennas just sum a lot of smaller antennas,
so the bandwidth is broader and the design is more tolerant to
manufacturing tolerances. Some of these panel antenna are air isolated,
and some are just etched PCB. I would imaging the antenna with air
spacing works better, though I don't know if there is a list of how who
builds what.






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  #2 (permalink)  
Old 11-02-2011, 05:05 AM
arnie
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Posts: n/a
Default Re: Homemade Antenna Choice, Jeff, et al, can you give me your best guess?

miso <miso@sushi.com> wrote in
news:j8q7t4$lg$1@speranza.aioe.org:

>> http://www.data-alliance.net/-strse-...WUS036H-1000mW
>> -USB/Detail.bok

>
>While I agree with Jeff that USB sucks, this is a decent USB
>wifi dongle. The antenna is external via reverse SMA. It is
>quite cheap through Data Alliance and these guys ship fast.
>I got this one and the N version, though the 036H is the
>better long distance unit.
>
>While it's fun to build antennas, there are some cheap wifi
>antennas that are pretty good. Try the Laird PA24-16. The
>radiation pattern doesn't have a lot of lobes. It is about
>$35 if you look around.
>
>I built the wifi biquad a few years ago for yucks. It worked
>OK. There are some tips on this list on how to build it
>since many of the websites do it incorrectly.
>
>I like these panel antennas. They are easy to transport. All
>the elements are under a radome, so other than water
>infiltration problems, they are well suited for outdoors.
>Avoid units that come with a pigtail. It is better to have a
>connector on the back.
>
>Given construction tolerances, antennas that depend upon
>aperture rather than elements re-radiating the signal will
>work better. That is, a yagi looks good on paper, but a lot
>depends on how tightly all the dimensions are controlled.
>These panel antennas just sum a lot of smaller antennas, so
>the bandwidth is broader and the design is more tolerant to
>manufacturing tolerances. Some of these panel antenna are
>air isolated, and some are just etched PCB. I would imaging
>the antenna with air spacing works better, though I don't
>know if there is a list of how who builds what.
>


Read too many complaints about that outfit you mention,
located on the Mexico border. If you buy wifi equipment stick
with suppliers that guarantee and test their products:

http://www.wirelessforums.org/alt-in...reless/review-
suppliers-some-good-ones-some-lemons-wifi-radios-68636.html

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  #3 (permalink)  
Old 11-02-2011, 06:50 AM
miso
Guest
 
Posts: n/a
Default Re: Homemade Antenna Choice, Jeff, et al, can you give me your bestguess?

On 11/1/2011 10:05 PM, arnie wrote:
> miso<miso@sushi.com> wrote in
> news:j8q7t4$lg$1@speranza.aioe.org:
>
>>> http://www.data-alliance.net/-strse-...WUS036H-1000mW
>>> -USB/Detail.bok

>>
>> While I agree with Jeff that USB sucks, this is a decent USB
>> wifi dongle. The antenna is external via reverse SMA. It is
>> quite cheap through Data Alliance and these guys ship fast.
>> I got this one and the N version, though the 036H is the
>> better long distance unit.
>>
>> While it's fun to build antennas, there are some cheap wifi
>> antennas that are pretty good. Try the Laird PA24-16. The
>> radiation pattern doesn't have a lot of lobes. It is about
>> $35 if you look around.
>>
>> I built the wifi biquad a few years ago for yucks. It worked
>> OK. There are some tips on this list on how to build it
>> since many of the websites do it incorrectly.
>>
>> I like these panel antennas. They are easy to transport. All
>> the elements are under a radome, so other than water
>> infiltration problems, they are well suited for outdoors.
>> Avoid units that come with a pigtail. It is better to have a
>> connector on the back.
>>
>> Given construction tolerances, antennas that depend upon
>> aperture rather than elements re-radiating the signal will
>> work better. That is, a yagi looks good on paper, but a lot
>> depends on how tightly all the dimensions are controlled.
>> These panel antennas just sum a lot of smaller antennas, so
>> the bandwidth is broader and the design is more tolerant to
>> manufacturing tolerances. Some of these panel antenna are
>> air isolated, and some are just etched PCB. I would imaging
>> the antenna with air spacing works better, though I don't
>> know if there is a list of how who builds what.
>>

>
> Read too many complaints about that outfit you mention,
> located on the Mexico border. If you buy wifi equipment stick
> with suppliers that guarantee and test their products:
>
> http://www.wirelessforums.org/alt-in...reless/review-
> suppliers-some-good-ones-some-lemons-wifi-radios-68636.html

Yeah, you complained the last time I mentioned Data Alliance. Hey, two
orders, no problems. I order at night, it is shipped in the morning, and
I get the item in 2 day. I should be so lucky with most vendors.

I suspect you are fronting for the competition.

OK, so they are only A when top of the line is A+.
> http://www.bbb.org/tucson/business-r...es-az-20025847


Do you have some problem with Mexicans?


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  #4 (permalink)  
Old 11-02-2011, 09:39 PM
arnie
Guest
 
Posts: n/a
Default Re: Homemade Antenna Choice, Jeff, et al, can you give me your best guess?

miso <miso@sushi.com> wrote in
news:j8qp7b$o1$1@speranza.aioe.org:

>On 11/1/2011 10:05 PM, arnie wrote:
>> miso<miso@sushi.com> wrote in
>> news:j8q7t4$lg$1@speranza.aioe.org:
>>
>>>> http://www.data-alliance.net/-strse-...-AWUS036H-1000
>>>> mW -USB/Detail.bok
>>>
>>> While I agree with Jeff that USB sucks, this is a decent
>>> USB wifi dongle. The antenna is external via reverse SMA.
>>> It is quite cheap through Data Alliance and these guys
>>> ship fast. I got this one and the N version, though the
>>> 036H is the better long distance unit.
>>>
>>> While it's fun to build antennas, there are some cheap
>>> wifi antennas that are pretty good. Try the Laird
>>> PA24-16. The radiation pattern doesn't have a lot of
>>> lobes. It is about $35 if you look around.
>>>
>>> I built the wifi biquad a few years ago for yucks. It
>>> worked OK. There are some tips on this list on how to
>>> build it since many of the websites do it incorrectly.
>>>
>>> I like these panel antennas. They are easy to transport.
>>> All the elements are under a radome, so other than water
>>> infiltration problems, they are well suited for outdoors.
>>> Avoid units that come with a pigtail. It is better to
>>> have a connector on the back.
>>>
>>> Given construction tolerances, antennas that depend upon
>>> aperture rather than elements re-radiating the signal
>>> will work better. That is, a yagi looks good on paper,
>>> but a lot depends on how tightly all the dimensions are
>>> controlled. These panel antennas just sum a lot of
>>> smaller antennas, so the bandwidth is broader and the
>>> design is more tolerant to manufacturing tolerances. Some
>>> of these panel antenna are air isolated, and some are
>>> just etched PCB. I would imaging the antenna with air
>>> spacing works better, though I don't know if there is a
>>> list of how who builds what.
>>>

>>
>> Read too many complaints about that outfit you mention,
>> located on the Mexico border. If you buy wifi equipment
>> stick with suppliers that guarantee and test their
>> products:
>>
>> http://www.wirelessforums.org/alt-in...reless/review-
>> suppliers-some-good-ones-some-lemons-wifi-radios-68636.html

>Yeah, you complained the last time I mentioned Data
>Alliance. Hey, two orders, no problems. I order at night, it
>is shipped in the morning, and I get the item in 2 day. I
>should be so lucky with most vendors.
>
>I suspect you are fronting for the competition.
>
>OK, so they are only A when top of the line is A+.
>> http://www.bbb.org/tucson/business-r...mputers-networ
>> ks/data-alliance-in-nogales-az-20025847

>
>Do you have some problem with Mexicans?
>


Nope I have NO monetary interest in the Wifi field, been all
over Mexico, I like them. What I don't like are
unprofessional "suppliers" who put up a webpage, thing they
are a big outfit when they are small potatoes and treat
customers badly and DO NOT WARRANTY their extravagant claims.

By the way if you READ the link I supplied you will see the
OP said they were rated low until they made a payment to the
BBB and overnight their rating went up to A. Like most gov.
agencies the BBB is corrupt.

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  #5 (permalink)  
Old 11-03-2011, 03:20 AM
miso
Guest
 
Posts: n/a
Default Re: Homemade Antenna Choice, Jeff, et al, can you give me your bestguess?


> By the way if you READ the link I supplied you will see the
> OP said they were rated low until they made a payment to the
> BBB and overnight their rating went up to A. Like most gov.
> agencies the BBB is corrupt.


I seriously doubt you can buy a good rating from the BBB.

The BBB is private enterprise. Of course, that makes them more likely to
be corrupt.


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