Here’s the techy stuff: AT&T currently offers two types of 5G: the ultra-responsive, ultra-fast 5G+ over high band mmWave spectrum , which is live in parts of 39 cities and more than 20 venues and entertainment districts, and the more widespread, 5G over the low band Sub-6GHz.
Read moreDoes T-Mobile have mmWave?
T-Mobile will continue building out 5G in millimeter wave (mmWave) , where it makes sense, like dense urban areas. Millimeter wave delivers massive capacity, but only over a very small footprint.
Read more