Cable TV means the multi-channel broadcasting which transmits videos, voice, and sound including text messages and still images to receivers by using wired electrical communication facilities

It distributes broadcasting television signal of good quality received by high antennas to receivers of each family by using broadband transmission lines including coaxial cables. It simply retransmits television broadcasting and broadcasts self-produced programs. Recently, it provides programs which give various information through on-line connection by computers and you can use digital cable TV service through it

Digital cable TV is evaluated as on of the representative digital convergence services, provides HD-level high definition and high quality audio as the new media that the high quality, multi channel, and high two-way services are possible, and can offer various services including real time VoD and data broadcast