bn:00833373n
Noun Named Entity
Categories: Espionage techniques, Soviet Union–United States relations, Soviet Union intelligence operations, KGB, Surveillance
EN
The Thing  Endovibrator  Great Seal bug  Passive resonant cavity bug  The Great Seal bug
EN
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. Wikipedia
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EN
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. Wikipedia
A Soviet bug used during the Cold War for eavesdropping on the U.S. ambassador to the Soviet Union Wikipedia Disambiguation
Covert listening device Wikidata