1, LCD TV cable Signal line interface (analog signal) is a radio frequency interface (also known as RF interface, coaxial cable interface, closed route interface), digital signal through the set-top box to convert analog signal video output to the TV, in order to watch TV programs.
2, TV or HD set-top box on the HDMI interface is a high-definition multimedia interface, is a digital video/audio interface technology, is suitable for image transmission of a dedicated digital interface, which can simultaneously transmit audio and video signals, the highest data transmission speed of 2.25gb/s.
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LCD TV Plug the cable TV signal line is which interface HDMI is what interface