ForceField is a company that offers a similar product blocking wireless transmissions since 2003. They claim that the US Department of State use their products.

http://www.forcefieldwireless.com/index.html
http://www.forcefieldwireless.com/press07082005.html


On 3/6/06, Anthony Townsend <[EMAIL PROTECTED]> wrote:


------ Forwarded Message
> From: Smart Mobs
> Subject: High-tech paint will block cell phone calls
>
> Playing to the backlash against ubiquitous communication, a company called
> Natural Nano < http://www.naturalnano.com/applications/RF_shielding/index.html>
> is developing a special high-tech paint  that locks out unwanted cell phone
> signals on demand. Newsday
> <http://www.newsday.com/news/nationworld/nation/chi-060301radioshield,0,582611
> 7.story?coll=ny-leadnationalnews-headlines>  reports.
>
> "NaturalNano has found a way to use nanotechnology to blend particles of
> copper into paint that can be brushed onto walls and effectively deflect radio
> signals.
>
> NaturalNano will combine this signal-blocking paint scheme with a
> radio-filtering device that collects phone signals from outside a shielded
> space, allowing certain transmissions to proceed while blocking others
>
> It appears to be legal - jamming devices that emit radio signals to prevent
> cell phones are not  - The radio filter would allow all emergency radio
> communications to pass through the shield With all other signals, like cell




--
Riad Lemhachheche
Mobile Technology Solution Laboratory
Dept of Ind & Mfg Engineering
Oregon State University
Corvallis,OR 97331
USA
http://www.oregonstate.edu/~lemhachr
-------
1448 nw 20th place
Corvallis,OR 97330
+1 541 908 3025
http://www.iyne.org
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