Closed circuit television is a television system which the video signals are transmitted from one (or more) cameras by cable to a restricted set of monitors. This is frequently used in security...
Closed-Circuit TV.
Closed-circuit television (CCTV) is the use of television cameras to transmit a signal to a specific, limited set of monitors. It differs from broadcast television in that all...
CCTV does not always works in proper system. It could not display every single square of your office, banks, stores, and other areas. Although you set the location of the system in a very careful...