If you're lucky enough to live in one of the 64 US cities (partially) covered by and you also happen to own or be interested in purchasing a compatible device and you need (or at least want) unlimited high-speed data on a prepaid plan, the nation's largest wireless service provider has designed with your very specific requirements in mind.We're talking about Big Red's first-ever prepaid plan with support for the aforementioned mmWave-based 5G network, which is available starting today at a monthly cost of $75. That's... not exactly affordable, but in addition to including ...