3.0 is NOT backward compatible. So....
The current HD signals should sign off in about 5 years (here we go again).
The hardware is expected to be surfacing around 2020.
There is a BIG battle from cell carriers NOT wanting the chipset for this in cell phones.
Stations will retain the same frequencies as the new technology takes up last bandwidth due to codec compression algorithms.
Russ the person that replied to you is an asshat but they are right, you are expected to post a link to the article you are referencing. It is expected on the internet so others can read what you did and contribute.
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