CCTV blamed beginning in 1942, when the CCTV system was created to observe the take off V-2 rockets. Over the years, the evolution of whole generations appeared ever more modern equipment, but the general concept remained roughly the same: a lot of points Broadcasting (camera) by using various transmission media sends data to the monitoring center and there is made provision / treatment / supervision. This pattern over the years as well check.

The emergence of network cameras, CCTV and general development of walking in the direction of high-definition digital transfer, and too many in this field has not changed. Still camera using network protocols such as are connected with the supervision center, where the image of which is recorded on the servers and arrays. However, for such equipment appeared an additional problem, namely, bandwidth. So far, chart, one camera – one coaxial cable, eliminate concerns associated with this issue. In the era of digital cameras (in particular megapixel) not to ignore.