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The Thing (listening device)
Videos
The Thing, also known as the Great Seal bug, was one of the first covert listening devices to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Uni
Replica of The Thing which contained a Soviet bugging device, on display at the NSA's National Cryptologic Museum
Replica of The Thing which contained a Soviet bugging device, on display at the NSA's National Cryptologic Museum
Replica of the Great Seal, on display at the NSA's National Cryptologic Museum
Replica of the Great Seal, on display at the NSA's National Cryptologic Museum
Covert listening device
Videos
A covert listening device, 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 t
The Thing (listening device)
…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…
Listening devices of the East German security services
Listening devices of the East German security services
A microphone disguised as a power outlet plate
A microphone disguised as a power outlet plate