Listening Bugs

What are Listening Bugs Made of?

Listening bugs are electronic devices that receive or record conversations or sounds and relays them to an electronic radio receiver. Some of these listening bugs are able to perform a two way communication which allows sending and receiving of audio files from both ends. There are also some that only allow for a single way communication. This means they can only send radio waves from one point to another and never the other way around.

The basic component of these listening devices are radio transmitters that send radio waves during a surveillance operation. The receiving device also has a radio receiver that allows this sounds to be listened to in another location. In other words, a listening bug does two main functions: it sends out radio frequencies over radio waves and modulates it for the radio receiver to pick it up. When the sound is picked up, it gets demodulated and sent to a receiving antenna at both low and high frequencies.

This demodulated radio wave can then be amplified by a receiver so the sound can be understood. Good examples of such receivers are audio recorders, headphones, and speakers.

There are basically two types of listening devices; the covert and hidden listening bugs. Hidden bugs can be found by performing a TSCM bug sweep A common feature both of these devices share is that they are never conspicuous to the unsuspecting mind. They are usually well hidden from general view.

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