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.
Surveillance cameras on the corner of a building Surveillance camera in a residential community Dome camera in Rotterdam central metro stationĬlosed-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. For other uses, see CCTV (disambiguation). For the state television broadcaster of China, see China Central Television.