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Listening devices of the East German security services. 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.
Some forecasts project the home security market as a whole will be worth $47 billion by 2020, [12] with the DIY home security market worth $1.5 billion. [13] While the market for home security is expanding, especially with cable TV and Internet service providers introducing their own security and home automation products, it is a fragmented ...
While low-quality domestic kits are cheap, the professional installation and maintenance of high definition CCTV is expensive. [43] Gill and Spriggs did a cost-effectiveness analysis (CEA) of CCTV in crime prevention that showed little monetary saving with the installation of CCTV as most of the crimes prevented resulted in little monetary loss ...
Vivint Smart Home, Inc. an NRG company, is United States-based smart home and security provider delivering an integrated smart home system with in-home consultation, installation and support, and monitoring.
The vast majority of computer surveillance involves the monitoring of data and traffic on the Internet. [9] In the United States for example, under the Communications Assistance For Law Enforcement Act, all phone calls and broadband Internet traffic (emails, web traffic, instant messaging, etc.) are required to be available for unimpeded real-time monitoring by federal law enforcement agencies.
Introduced in 2009, cardioid condenser microphone which operates on power supplied by the USB on Personal computers. ECM-58: Introduced in 2010, a hand-held dynamic microphone. Discontinued. ECM84 Kit: Introduced in 2013, a small diaphragm stereo electret condenser microphone kit. [14] MP-1073: Introduced in 2013, a Class-A microphone ...
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