If you think someone may be watching you with a hidden camera or listening in on your converations, then bug detectors can be used to tell for sure. Bug detectors are digital electronic RF (radio frequency) scanners in convenient hand-held form. They work by listening for RF (radio frequency) transmissions from within a room. Some models give an actual indication of the frequency of the transmitter, while others just give an indication of the signal's strength.
You use bug detectors by walking around a room with the device in your hand. If a transmitter is detected, the bug detector will begin to emit a tone sound, and the display will indicate the presence of a signal. The tone will get louder as you get closer to the device, allowing you to pinpoint the device and get rid of it. So if you think someone is listening in or watching you, you might want to invest in a good bug detector. For more information on bug detectors.
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