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This page is about signal distribution and reception systems mainly focusing [[Wikipedia:Cable_television|Cable TV]] and also [[Wikipedia:Broadcast_communication_network|broadcast communication network]] which is a system for transmitting audio and/or video content to a wide audience achieved through radio waves such as [[Wikipedia:Terrestrial television|over-the-air broadcasting]]. These networks can be further categorized into different [[#Type.28s.29|types]] such as Broadcast television systems and Radio broadcasting systems. [[Wikipedia:Cable_television|Cable TV]] and cable networks uses a physical cable infrastructure to deliver signals to subscribers' homes, users need a subscription and specific equipment to access these signals.