Some 5G iPhone 12 buyers might need to switch to T-Mobile

With set to introduce its first 5G iPhones this coming Tuesday, U.S. consumers might have to make a big time decision about switching carriers after purchasing one of the new models. That's because there are two different types of 5G signals. Sub-6GHz 5G is delivered over low and mid frequency bands, travels over long distances, and penetrates structures. The issue with Sub-6GHz is that it does not produce the blazing fast download data speeds that many consumers are looking forward to. Those speeds are available with the mmWave high-frequency bands. Unfortunately, mmWave airwaves do not ...

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