Technically speaking, 5G UC indicates that you’re connected to either mid-band or millimeter wave (mmWave) 5G . For T-Mobile, you are likely connected to mid-band 5G, as this makes up the bulk of T-Mobile’s faster 5G network.
Read moreWhat cities does T-Mobile have mmWave?
T-Mobile didn’t say in its press release which millimeter wave (mmWave) spectrum it will be using, but a spokesman said it’s using 39 GHz in Las Vegas and 28 GHz in the other markets. And, it published maps showing coverage in the six cities: Atlanta, Cleveland, Dallas, Las Vegas, Los Angeles and New York .
Read more