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A broadcast communication network is a system for transmitting audio and/or video content to a wide audience. These networks can be further categorized into main [[#Type.28s.29|types]] such as Broadcast television systems and Radio broadcasting systems. These can be achieved through various technologies, including radio waves (such as [[Wikipedia:Terrestrial television|over-the-air broadcasting]]) and cable infrastructure (. [[Wikipedia:Cable_television|cable Cable TV]]) etcand cable networks uses a physical cable infrastructure to deliver signals to subscribers' homes. Users need a subscription and specific equipment to access these signals.