AT&T created the label to show that those phones connect to what AT&T calls “5G Evolution” technologies. 5G Evolution means that those phones can connect to towers with features like three-way carrier aggregation, 4 x 4 MIMO antenna setups, and 256-QAM modulation .
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The regular “5G,” meanwhile, is real 5G but only on the low-band flavors. AT&T uses “5G Plus” for its millimeter-wave and C-band 5G networks. Verizon calls its millimeter-wave and C-band 5G networks “5G Ultra Wideband,” “5G UW” or “5G UWB” (the exact icon will vary based on your device).
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