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Old 08-09-2005, 10:50 PM
cstefanyshin@point2.com
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Default RF Deadzone

I am trying to implement a wireless network in what seems to be a rf
deadzone. I have tried different products, linksys, SMC, Apple Xtreme,
high gain antenna, with no luck. The building has many walls with
steel beams inside. I cannot even get a signal if in the same room as
the access point. We have microwaves and cordless 2.4 Ghz devices but
they cannot be moved. I am looking for any advice that anyone has to
get this to work including product recommendations. Has anyone else
overcome this problem? I am open to trying anything.

Thank you


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Old 08-10-2005, 01:37 AM
Jeff Liebermann
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Default Re: RF Deadzone

On 9 Aug 2005 14:50:25 -0700, "cstefanyshin@point2.com"
<cstefanyshin@point2.com> wrote:

>I am trying to implement a wireless network in what seems to be a rf
>deadzone. I have tried different products, linksys, SMC, Apple Xtreme,
>high gain antenna, with no luck. The building has many walls with
>steel beams inside. I cannot even get a signal if in the same room as
>the access point. We have microwaves and cordless 2.4 Ghz devices but
>they cannot be moved. I am looking for any advice that anyone has to
>get this to work including product recommendations. Has anyone else
>overcome this problem? I am open to trying anything.


Steel beams are not a problem. The 2.4Ghz will go between the beams
quite nicely. You may get reflections and multipath, but you will
have a signal. I notice your description is devoid of any numbers.
Let's try to fill in the details and numbers first:

- What is in between the stell beams?
- How many walls are you trying to shoot through?
- What's the distance between the access point and the dead zone?
- How high a gain antenna did you try? What type?
- What does the 2.4GHz cordless phones have to do with anything?
- Did you try it with the cordless phones turned off?
- Is there any other sources of possible interference in the area?

I had one client trying to make wireless work in a cafeteria full of
microwave ovens. Couldn't be done. Another was located right next to
the city's new overpowered municipal mesh wireless contrivance. It
may not be a shielding issue but may be interference.

I can't really recommend any solutions because I have no clue what
you're working with, what you're trying to accomplish (i.e.
performance and coverage expectations), what client radios are
involved, and what options are available for change.

--
# Jeff Liebermann 150 Felker St #D Santa Cruz CA 95060
# 831.336.2558 voice http://www.LearnByDestroying.com
# http://802.11junk.com
# jeffl@comix.santa-cruz.ca.us
# jeffl@cruzio.com AE6KS

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