Also not an expert, but my friend is an industry RF engineer. And the way he described it is that the only "meaningful" improvement on the industry-side is the

Also not an expert, but my friend is an industry RF engineer. And the way he described it is that the only "meaningful" improvement on the industry-side is the extra capacity that the new higher frequency range provides. Everything else is just slicing and dicing the existing frequency range (and dethrottling some customers) for marketing purposes.