Re: Where to purchase portable cellular jamming devices - (no legal opinions please)
- From: William P. N. Smith
- Date: Sun, 26 Jun 2005 09:30:59 -0400
"Watson A.Name - \"Watt Sun, the Dark Remover\""
<NOSPAM@xxxxxxxxxxxxxx> wrote:
>But what I can't figure out is why the elevator at work, which has four
>stainless steel walls, fails to stop my cell phone from working.
Look up slot antennas. Any crack in the walls 1/4 wavelength long
will leak plenty of signal.
.
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