TELECOM Digest OnLine - Sorted: Re: Wired: Word From on High: Jam Cell Calls

Re: Wired: Word From on High: Jam Cell Calls

Thor Lancelot Simon (
Wed, 6 Apr 2005 11:55:59 UTC

In article <>, John McHarry
<> wrote:

> On Sun, 03 Apr 2005 16:45:51 -0700, Lisa Minter wrote:

>> Word From on High: Jam Cell Calls

>> Four churches in Mexico have unobtrusively installed Israeli-made
>> cell-phone jammers to thwart those who don't seem to understand they
>> should turn the things off during services or weddings. They're not
>> the only ones to install the jammers.

> This is kind of old news. Jammers are illegal in the US, but if I were
> building or extensively remodeling a theatre, church, etc., I would
> make it into a Faraday cage. Done right, it is also good insulation.

Really? I'd be interested to know what the current state of the art
for "done right" is in this area. I saw such a room constructed once,
about 10-15 years ago: it had "wallpaper" with a conductive grid
printed on the back, and long strips of copper tape running up each
corner of the room to ensure that all the sides were shorted together.
There was chicken-wire-like mesh in the ceiling (this made running
cables a real pain!) and I'm not sure what was in the floor. But I
wouldn't call anything I saw there particularly good thermal

I've always figured this must just be how it's done. Is there some
other method?

Thor Lancelot Simon

"The inconsistency is startling, though admittedly, if consistency is
to be abandoned or transcended, there is no problem." - Noam Chomsky

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