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Originally Posted by Ignition
There is the minor issue that the highest downstream modulation doesn't give much more than 1/3rd improvement over the 'standard' one. Not really the sky being the limit, that's as high as it goes.
One big limitation is actually the downstream spectrum, there aren't many channels free due to the requirement to show many channels of **** TV.
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But combined with the wider EuroDOCSIS channels on Langley, it would be more like a 95% increase.
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hmm is it possible to add a downstream channel to a ubr for broadband effectively doubling broadband downstream bandwidth at zero cost so for example channel 0 and channel 1? like their is multi upstream channels.
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A second frequency dowstream would double capacity, but cost, what £2 million?