Cable television is a system that delivers television programming to consumers via radio frequency signals transmitted to the television via coaxial cable or digital light pulses through an optical fiber is located on the property remain a customer, such as methods on the water used in traditional television broadcast in which a television antenna is required. FM radio programming, high speed internet, telephone, and similar non-television services may also be provided. The main differenceis the change in radio frequency signal and optical connections are used to belong to the customer.
Most cable-ready television and cable television has a tuner can receive cable TV has a built-in that is sent as an analog signal. To get a premium television television’s most require a set top box called the cable converter that processes the digital signal. The majority of basic cable channels can be received without a digital converter or adapter cable televisioncompanies usually charge for, by connecting a copper wire with F connector for the Ant In on the back of the television.
The abbreviation CATV is often used to mean “Cable TV”. It originally stood for Community Antenna Television, from the origins of cable television in 1948: in areas where reception of over-the-water is limited by the distance from the transmitter or mountainous areas, “community antenna” was built, and the wires running from their homes respectively. The origin of even older cable broadcasting as a radio program distributed by cable in several cities in Europe as far as 1924.
It is most common in North America, Europe, Australia and East Asia, although present in many other countries, especially in South America and the Middle East. Cable TV has had little success in Africa, because it is not cost effective to install cable in areas that are sparsely populated. So-called “wireless cable” or microwave-based system is used instead.