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What exactly does "Ethernet-capable HDMI cable" mean?

Does this mean I can stream content wirelessly to my projector?

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up vote 5 down vote accepted

No it does not mean you can do anything wirelessly - it is a cable - and it isn't likely to help you stream anything to it either, unless you have a requirement for HDMI devices to share a network connection.

Version 1.4 of the HDMI standard allows for 100Mb ethernet to be transmitted along the cable between to HDMI 1.4 capable devices.

Check out the HDMI wikipedia page for some basic info

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So, what's the main difference between Ethernet-capable HDMI cable” and HDMI cable ? Is it faster ? – Patrick Oct 11 '11 at 8:46
No - it allows an ethernet connection to be made along it in addition to the normal HDMI signals. – Dr Mayhem Oct 11 '11 at 8:56
Why should I provide ethernet connection to the projector ? – Patrick Oct 11 '11 at 15:19
You shouldn't. This is only for devices that need it. – Dr Mayhem Oct 11 '11 at 15:31
I've noted that the crop of current-gen TVs have an increasing amount of multimedia functionality. Taking this one step into the future, if (in theory) you had a display, NAS (or other storage medium) and an amp / switcher all supporting HDMI ethernet you could likely forego the requirement to have a separate network cable to connect them all together. Single cable streaming! I like the logical step of removing another cable, the final thing we we need is Power over Ethernet over HDMI (PoEoH... 'poweoh'? Sounds like Schwarzenegger trying to pronounce 'power' ;-) - THEN we're cooking with gas. – Christopher Woods Oct 13 '11 at 3:45

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