[ale] OT: Wireless Questions

Hogg, Russell E ctcrreho at opm.gov
Thu Aug 28 14:19:54 EDT 2003 






If money isn't an option there are some pretty nice amps out there.


If you use wifi in your business you might even be able to qualify for stuff over 1 watt.


And yeah I think with radio waves that high frequency an un encumbered "fresnel" (sp) zone is going to be pretty meaningful.





____________________________________________
ctcrreho at opm.gov




-----Original Message-----
From: Christopher Fowler [mailto:cfowler at outpostsentinel.com] 
To: ale at ale.org
Sent: Thursday, August 28, 2003 2:06 PM
To: ale at ale.org
Subject: Re: [ale] OT: Wireless Questions


Now that is cool.  I guess the key is barren land.  Maybe the
horn will work good at .5 miles.



On Thu, Aug 28, 2003 at 01:43:31PM -0400, Hogg, Russell E wrote:
> 
>    [1]http://www.adversarialsciencelab.net/newindex.html
> 
>    Thats  their  site.   If  you  scour the web a little you can find far
>    better articles about the shootout in other places though.
> 
>    I know techTV has an article somewhere.
> 
>    Russ
> 
>    ____________________________________________
>    ctcrreho at opm.gov
> 
>    -----Original Message-----
>    From: Christopher Fowler [[2]mailto:cfowler at outpostsentinel.com]
>    Sent: Thursday, August 28, 2003 1:38 PM
>    To: ale at ale.org
>    Subject: Re: [ale] OT: Wireless Questions
> 
>    Do you have a direclt link to that ant.   Their flash intro is
>    not allowing me to view their site. I'm guessig it is flash.  All
>    I  see is a big white square with a black background.  Of course I run
>    Linux too.
> 
>    On Thu, Aug 28, 2003 at 01:30:58PM -0400, Hogg, Russell E wrote:
>    >
>    >     FWIW   trees are really nasty dealing with anything 2.4G because
>    that's
>    >    the  resonating  frequency  of  water.   Your  microwave works on
>    this
>    >    principle.
>    >
>    >     If   linksys   says  3  miles  then  expect  2/3  of that in the
>    Georgia
>    >     humidity   and line of sight.  I will point out that I've gotten
>    half a
>    >    mile  out of a plain old omni directional antenna that was placed
>    high
>    >    enough up though.
>    >
>    >     Linksys   makes   a   consumer  level  amp that you might try to
>    although I
>    >    think I heard that it sucked.
>    >
>    >     Maybe   consider   building  a  4  dollar  "can-tenna"  yourself
>    before
>    >    investing  in  high  dollar  hardware.  If you're really serious,
>    some
>    >     folks  out  at  either  black  hat or defcon built a horn out of
>    a 100
>    >    worth  of  stuff  at home depot and got 35 miles out of the thing
>    a .8
>    >    watts.
>    >
>    >    Their site here: [1][3]http://www.adversarialsciencelab.net
>    >
>    >    I  betcha  that's  less  than  you paid for that YAGI.  And yes a
>    good
>    >    antenna at both ends is definitely an aid.
>    >
>    >    Seems there are quite a few sharp wireless people on the list.
>    >    Those are just
>    >    My 2 cents
>    >
>    >    Russ
>    >
>    >    ____________________________________________
>    >    ctcrreho at opm.gov
>    >
>    >    -----Original Message-----
>    >    From: Tim LaCroix [[2][4]mailto:cheese4all at yahoo.com]
>    >    Sent: Thursday, August 28, 2003 1:20 PM
>    >    To: ale at ale.org
>    >    Subject: [ale] OT: Wireless Questions
>    >
>    >    Hey all, I ran into something I can't fix, thought
>    >    someone here may know.
>    >
>    >    I got a D-Link 614+ and a Yagi D-Link ANT24-1801 and I
>    >    am trying to go a half mile to a computer sitting with
>    >    a Belkin 802.11b USB nic. I called up D-Link and they
>    >    just said that a professional wireless installer must
>    >    install it. I asked if there were any in Savannah, he
>    >    couldn't say. But regardless, I am merely attempting
>    >    to go 1/2 mile through trees, houses and people to
>    >    reach a nic sitting in an office. The thing has a 15
>    >    degree beam. The Yagi boasts a 3 mile range, but
>    >    looking at some cisco texts on their equivalent it
>    >    seems that 2 concrete walls are enough to stop the
>    >    connection. Is it wise to get another antenna or a nic
>    >    with an antenna like the DWL-AG520 for the recieving
>    >    end? Or is the only option to site this thing out with
>    >    a laser going 3 stories up and aiming it to be within
>    >    inches. Any assistance or advice would be great.
>    >
>    >    Thanks.
>    >    Tim LaCroix
>    >    CCNA (general all around "fix the computer thing" guy)
>    >
>    >    __________________________________
>    >    Do you Yahoo!?
>    >    Yahoo! SiteBuilder - Free, easy-to-use web site design software
>    >    [3][5]http://sitebuilder.yahoo.com
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>    > References
>    >
>    >    1. [7]http://www.adversarialsciencelab.net/
>    >    2. [8]mailto:cheese4all at yahoo.com
>    >    3. [9]http://sitebuilder.yahoo.com/
>    >    4. [10]http://www.ale.org/mailman/listinfo/ale
>    _______________________________________________
>    Ale mailing list
>    Ale at ale.org
>    [11]http://www.ale.org/mailman/listinfo/ale
> 
> References
> 
>    1. http://www.adversarialsciencelab.net/newindex.html
>    2. mailto:cfowler at outpostsentinel.com
>    3. http://www.adversarialsciencelab.net/
>    4. mailto:cheese4all at yahoo.com
>    5. http://sitebuilder.yahoo.com/
>    6. http://www.ale.org/mailman/listinfo/ale
>    7. http://www.adversarialsciencelab.net/
>    8. mailto:cheese4all at yahoo.com
>    9. http://sitebuilder.yahoo.com/
>   10. http://www.ale.org/mailman/listinfo/ale
>   11. http://www.ale.org/mailman/listinfo/ale
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