Sub-6GHz 5G is essential for blanket coverage and bandwidth, while mmWave offers higher speeds over shorter distances . As such, mmWave deployments are limited to short distances, such as a few streets, and areas that benefit most from extreme high bandwidth, such as stadiums and city centers.
Read moreDoes T-Mobile use sub-6 or mmWave?
It’s important to note that both phones only support sub-6 GHz frequencies and not mmWave —not even the mmWave frequencies that T-Mobile has already deployed in several cities around the country. In other words, these phones can “see” and work with one kind of T-Mobile 5G service, but not the other.2 Ara 2019
Read moreDoes T-Mobile use 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.
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