Cable TV is the transmission of analog and/or digital radio, televisions (TV) and data signals, for subscribers, coming from various carrier environments, after being merged and amplified, in the form of both digital packages and analog signals, through fiber and/or coaxial cable, so as to provide interactive communication. It is an infrastructure, through which internet, data, and interactivity services can be provided, thanks to its bandwidth, suitability to two-way communication, and Cable networks providing high-quality voice and image transmission and not being affected by frequency contamination.