In Wiltshire, United Kingdom, in 2003, a pilot scheme for what's now often known as "Talking CCTV" was place into motion, enabling operators of CCTV cameras to communicate from the camera by way of a speaker when it is required. Analog cameras typically use coaxial cables to send out video https://history-of-judo37036.blogspothub.com/33196700/getting-my-closed-circuit-camera-vector-to-work