If you ask Verizon, they'll tell you gigabit 5G is only possible with the power of (seriously difficult to deploy and expensive) mmWave technology. Recent tests of T-Mobile's fully live 5G mid-band network in New York City would like to have a word with Verizon on that point, though: testers have begun cracking the gigabit barrier on some handsets, as revealed in SpeedTest.net's latest reporting.

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