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).