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Covnerting TV / VGA / HDMI over Cat 6a network cables - how?

We have an office that uses Cat 6a cabling throughout with plenty of network ports.
We will be mounting TV’s to the walls in various offices and these TV’s will be able to be connected to their Ethernet points.

What currently are the best methods for getting various different types of digital output to those screens. For example, a user in an office, may want to share his screen with guests. So we would want to duplicate one of the screen outputs of a PC onto the TV screen very easily and reliably.

At previous offices they used converts which converted a VGA output into a network cable, and then at the TV end converted back, but maybe there is better ways now, or if not, what is the best products on the market which do this?

If anyone knows of a good UK based supplier of this type of equipment that would be great.
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afflik1923
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afflik1923
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Gary CaseRetiredCommented:
If you want to send video, you'll need to use converters at both ends, as you've already done.

You can get VGA - Ethernet converters;  HDMI - Ethernet converters; etc.    Which works best for your situation depends on what outputs the PCs have, and what inputs the TVs have -- clearly you need to use something that's common on both ends.

If you are buying PCs for this application, the simplest approach is to ensure you get WIDI capable systems -- then you can share the displays wirelessly.
http://www.intel.com/content/www/us/en/architecture-and-technology/intel-pro-wireless-display.html
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afflik1923Author Commented:
Have you used a WIDI system yourself and do you find they are reliable and give good performance?
For WIDI, do you know if I need to consider the TV I choose so that it supports it?
Thanks
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Gary CaseRetiredCommented:
Your TV doesn't need to support it => you simply buy a WiDi receiver that will connect to the TV via HDMI.

I do not have a WiDi device at home, but do have a couple friends who swear by it.    With a compatible laptop, it is indeed very nice => I've "played" with it a bit at their homes.    It CAN be a bit of a hassle to initially configure, especially if the WiDi versions of the transmitter (laptop) and receiver are different; but once set up, it's very easy to use and works very nicely.

I have NOT seen a setup with multiple senders (as Intel shows in their ads), where you can "seamlessly, with a couple of clicks"  (per Intel) change presenters.    I assume it works as advertised ... but cannot confirm that.
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afflik1923Author Commented:
OK thanks for input so far. I will be updating this soon.
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