This category covers set-top boxes as well as related boxes and devices that are somehow connected to a TV. The electronic box which sits on top of your TV set connects your incoming cable TV, satellite dish, broadband, internet or other transmission signal to your TV set. Set-tops vary greatly in their complexity with older models merely translating the frequency received off cable into a frequency suitable for the television set while newer models can be addressable with a unique identity much like a telephone and are also evolving into residential entertainment "gateway" boxes which may include advanced interactive on-demand capabilities such as video-on-demand, personal video recording, enhanced television link interaction, interactive program guide TV listings, and internet capabilities. Go to http://dmoz.org/Computers/Hardware/Systems/Set-Top_Boxes/ by clicking the Set-Top_Boxes link above for search engine links for set-top boxes.