by: Kingston Amadan |
Covert listening devices are those items that are hidden and meant to listen in on others’ conversations. These devices are often very small and hidden, or they may be disguised to look like ordinary household items. There are a variety of covert listening devices, and they are essential to the success of any surveillance operation or surveillance business. |
It is blog about free HDTV articles. HDTV is short for High-Definition Television, a new type of television that provides much better resolution than current televisions based on the NTSC standard.
Showing posts with label covert. Show all posts
Showing posts with label covert. Show all posts
Sunday, July 17, 2011
Why You Need Covert Listening Devices
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