I sure hope that page is meant to be a technical spec sheet and not intended for consumers because it's mostly gibberish terms I've never heard of to me even as

I sure hope that page is meant to be a technical spec sheet and not intended for consumers because it's mostly gibberish terms I've never heard of to me even as a technical person. The frequency check site they link to also has a confusing layout, is US centric and I'm not sure what I'm supposed to use it for. It would be much better if they could simplify the chart to display country, network and the variants of their phone. This is a very common problem with phone retailers and why I never order internationally. This is the final checklist item before I pre-order.