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The most common problems in personal residences are:
- Baby monitors that transmit voices for blocks
- Cordless phones that can be easily intercepted
- Nameless cleaners have access to computers, records
- No sweeps have been done to discover problems
Each of these has solutions that are easy to understand.
Unfortunately crooks operate web sites and spy shops to sell do-it-yourself sensors that can check phone lines for taps and rooms for transmitters. These devices do not work!
Why would professional sweep firms spend $100,000 for equipment if a $300 device would be helpful?
The problem with the $300 devices is that they report problems from commercial broadcast stations in the area and do not catch common eavesdropping devices.
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Our client found that his $500 bug detector had located the problem. It was indicating the location of a transmitter. The only problem was that it said the hidden transmitter was in the middle of the room. In the air!
Using a spectrum analyzer (which would have cost him $25,000) we demonstrated that there was indeed a peak of electromagnetic intensity at that spot -- but that it was from a local TV station.
Junk electronics will not help to locate listening devices.
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