“IS THIS CABLE RATED AT 4K? WE ALSO NEED A 4 PORT 4k (GHZ) OUTDOOR SPLITTER DO YOU SUPPLY THOSE?”
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An European respected technology blogger posted this, the bottom line (from my take) is that while coax may support this, the critical part still comes down to the overall cabling in your home. The reality there is most homes do not have updated coax cabling, therefore you will not be able to support the true 4K signal, you are only as good as your weakest link. Now if you are building a new home, or rewiring your home, I would suggest hiring a qualified A/V specialist (Best Buy offers this service) to do this for you, outside the contractor for the home; "Today, the 4K signal is transmitted by using 4 independent connections, commonly called “quad-link”, in which each link is a 2K. That said, coax cable spec the same length as for 2K signals. It may be some time before broadcasters will be able to send a 4K signal down a single cable as a 12Gbps signal. How long we will have to wait for this will depend in part on IC manufacturers, who today can only support QFHD/6Gbps signals. However, 4K signals could be supported in a “dual-link” mode (Semtech known as Gennum has such an equalizer), as broadcasters do with 3D today. It is a new technology and we will see over the next year what the market will drive, perhaps all change or we will start to see 4k as a compressed signal to make it fit into current infrastructures. All this remains to be seen at this time. The good news is that coaxial cables can still support these high frequencies; they are physically robust and require simple connectivity. The use of single mode optical fiber cabling would also provide sufficient bandwidth to address the above applications. Although such interfaces are technically feasible, they are still very expensive to implement and require different capabilities, in terms of system design, installation, and maintenance, compared to the traditional coax and BNC infrastructure common today."
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