There are two types of 5G networks: The ultra-fast, 2Gbps mmWave technology most prominently deployed by Verizon, and the barely-faster-than-4G sub-6GHz system that has a much better range and penetration than its faster sibling. AT&T has been offering the latter since late 2019 in a few cities, but it now has announced that it will also open its own mmWave network to the public starting Friday, calling it "5G+."

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