![]() To use a camera lens finder, you activate the finder and hold it up near your eye (some include lenses that you actually peer through). ![]() It relies on flashing LED or laser lights that bounce off camera lenses and give away their presence. Camera lens finderĪ camera lens finder, by contrast, is used solely for the detection of hidden cameras. The majority of these ramp up the alert the closer you are to an object, making it easier to find. ![]() If the finder detects an RF signal, it alerts you. To use these, you typically turn on the device and start slowly walking, or sweeping, through the room. In addition to cameras, RF detectors can be used to find a number of other types of devices such as audio bugs, GPS trackers, and even mobile phone SIM card bugs. ![]() More professional finders are able to detect a greater and higher range. These can detect signals anywhere from 1MHz to 10GHz or higher, depending on the finder. Hidden camera finders that use RF detection pick up on the radio waves used by wireless cameras to transmit information. Hidden camera finders use one of two methods to sniff out hidden cameras: radio frequency (RF) detection or camera lens finders. RF frequencies can refer to a wide range of radio frequencies, including GSM, WiFi, FM, VHF, UHF, wireless audio or video, and more.
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