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...

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...

2009. Photophone Passive radar Laser Doppler vibrometer The Thing (listening device) List of laser articles Laser turntable Optical heterodyne detection...

process of detecting surveillance devices. It can also include covert listening devices, visual surveillance devices, and countersurveillance software...

detection and removal of the true listening devices by its American occupants nearly impossible. Covert listening device "Charles Bovill, inventor". Crypto...

(NRP) from 1958-1962. The goal of the operation was to place a covert listening device in the office of the Russian Ambassador in The Hague. Named for...

system and share data. Cellphone surveillance Computer surveillance Covert listening device ECHELON Espionage Fiber tapping Global surveillance disclosures...

Baltimore Police Department. Working with Burns, he agreed to wear a covert listening device, which he used to implicate Boardley and Gross in the killings...

A parabolic microphone is a microphone that uses a parabolic reflector to collect and focus sound waves onto a transducer, in much the same way that a...

hospital's temporary director Kęstutis Mazurkevičius of installing a covert listening device in his office. From 2005 to 2006, he was an advisor to Minister...