Some (many?) HDMI cables can also carry Ethernet over HDMI. The main use seems to be to provide internet connection to a smart TV from a cable modem box. Currently I have an ethernet-USB adaptor ...
XDA Developers on MSN
Your home network is only as fast as its slowest cable, and most people have at least one bad one
Your network really is only as strong as its weakest link, and cables are included ...
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