Closed Circuit Television

CCTV or CCTV circuit is a video surveillance technology designed to monitor a variety of environments and activities. It is called closed because, unlike what happens with the media, all components are linked. In addition, unlike conventional television, this is a system designed for a limited number of spectators and FM radio stations.

CCTV main components

• Cameras are those devices that capture the image of the protected site
• Monitor is the external component that allows us to view images captured by the camera
• Image transmission medium. It refers to the way images are transmitted via coaxial cable may be interleaved pair (commonly used to connect components at distance)