The Denver Post:
Using higher frequency waves comes with some trade-offs. Like a sprinter, millimeter wave 5G isn’t in it for the long haul. And it is a weakling. Don’t ask it to push through brick walls and penetrate the steel and glass of high rises.
“Your hand can block it, your window can block it, rain effects it,” said Ed Fox, chief technical officer of MetTel, a communications solutions provider.