[mrweasel]

5G won't even get you better coverage, that's more a question of which frequencies are used. Some European countries are freeing up the 700 to 800MHz spectrum which can help, but that's not really a 5G issue I believe.

The high frequency ranges suggested for 5G seems useless, they'll barely be able to penetrate windows.

Increased coverage would be far more helpful than faster speed in most countries.