Closed-circuit television

Use of video cameras to transmit a signal to a specific place on a limited set of monitors

Closed-circuit television (CCTV), also known as video surveillance, is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point-to-point (P2P), point-to-multipoint (P2MP), or mesh wired or wireless links. Though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that may need monitoring such as banks, stores, and other areas where security is needed. Though videotelephony is seldom called 'CCTV' one exception is the use of video in distance education, where it is an important tool.

Closed-circuit television News and Videos   LIVE

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Zia Uddin took advantage of CCTV blind spots to abuse his victims
Credit: Independent - Published 2 hours ago

Footage played in court shows backpacker Grace Millane and the man accused of her murder in two bars.
Credit: BBC News - Published 5 days ago

'I decided to check the CCTV and was completely shocked by what I found,' says owner
Credit: Independent - Published 6 days ago

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