Types of electronic eavesdropping devices.
These can monitor conversations in a room if gaining access is difficult, by using room transmitters, body wires, wireless microphones or similar. These listening devices are self contained, free-standing, and can be placed in a room where discovery would be unlikely yet close to where conversations take place.
These are covert transmitters are used for covert surveillance by placing audio transmitters into everyday objects such as a clock, belt, calculator, ashtray, the user conducts undercover operations, with customised housings for the transmitter.
Digital surveillance transmitters
These are listening devices with features such as remote controlled activation, audio surveillance recorder features, encrypted surveillance transmitters, and data monitoring transmitters.
Listening devices that transmit audio surveillance over long distance while drawing very low power output are known as lithium transmitters. These listening devices are very small and can be placed in hard to view areas.
These are listening devices used for phone tapping in order to obtain both sides of a phone conversation. These listening devices are telephone wiretaps that live off the energy of the phone line, prolonging their operation life indefinitely.
Mains powered transmitters
These are listening devices and broadcast audio surveillance for extended use where continuous power exists, and audio surveillance access is difficult to get. These listening devices can operate indefinitely due to the AC power line that provides continuous power to the listening device.
Al Nisr Publishing LLC 2013. All rights reserved.
Provided by Syndigate.info an Albawaba.com company
|Printer friendly Cite/link Email Feedback|
|Publication:||Gulf News (United Arab Emirates)|
|Date:||Jul 5, 2013|
|Previous Article:||Eight communist rebels killed in Philippines ambush.|
|Next Article:||Two acquitted suspects released from Al Wathba Prison.|