... Instead, there’s one 5G use case where the big three networks are finding traction, and it comes up over and over again in their earnings reports: fixed wireless access, or FWA. If you’re keeping score at home, that’s internet that comes to your house over radio waves rather than a cable. T-Mobile and Verizon have aggressively expanded their FWA offerings over the past couple of years, and even “fiber is everything” AT&T is getting in on the action with Internet Air. ...