Cable TV uses broad-band information processing circuitry and can carry over 100 different stations, as well as having other capacities not possessed by ordinary television programming.
有線電視顧名思義，是利用寬頻的資訊傳輸線路，如同軸電纜或光纖，傳遞動態的畫面與資訊。理論上這個系統不但可以將電視頻道擴張至一百多個，而且可以做許多現在無線電視所不能做的事。