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A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance , espionage and police investigations.
The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman , the United States Ambassador to the Soviet Union , on August 4, 1945.
FM transmitters have been used to construct miniature wireless microphones for espionage and surveillance purposes (covert listening devices or so-called "bugs"); the advantage to using the FM broadcast band for such operations is that the receiving equipment would not be considered particularly suspect. Common practice is to tune the bug's ...
In 2004, WBUG left Bug Country to become talk-formatted WVTL, leaving WBGK and WBUG-FM as the only two stations in the Bug Country network. In November 2009, WBGK and WBUG-FM dropped Real Country and swapped it with a continuous automated selection of country Christmas music. After the holidays, their current format of mainstream country was ...
A portable battery-powered AM/FM broadcast receiver, used to listen to audio broadcast by local radio stations. A modern communications receiver, used in two-way radio communication stations to talk with remote locations by shortwave radio. Girl listening to vacuum tube console radio in the 1940s.
Portable sweep equipment may be used to detect some types of covert listening device (bugs). In professional audio, the optimum use of wireless microphones and wireless intercoms may require performing a sweep of the local radio spectrum, especially if many wireless devices are being used simultaneously. The sweep is generally limited in ...
In South Africa, the use of wireless signal jammers is illegal. There is a single exception to this rule. South Africa's State Security Cluster may, in certain instances, employ signal jammers. [38] In Singapore, a local Indonesian Batam Hang FM 106.0 MHz based Islamic radio station of Indonesia radio stations has been jammed.
Initially, radio, or wireless as it was more commonly called at the time, was an open field of hobbyists and early inventors and experimenters. The degree of state control varied by country. For example, in the UK, Marconi 's work was supported by the post office, but in an era of weak regulation, a music hall magician Nevil Maskelyne ...
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