Bandwidth and latency aren't the same thing, but they both greatly impact the quality of your home internet experience.
However, the FCC currently limits the baud rate to 300 baud or less, ostensibly to restrict signal bandwidth. No one wants to have an entire band consumed by a 10 Gb RF network. However ...
Bandwidth is how much data can pass between ... Even if your TV can accept and play back a 4K120 signal, or even an 8K TV with some mythical 8K60 source, HDMI 2.1 can carry that amount of data ...
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