Sub-6 is every sort of mobile data with frequencies under 6Ghz – that includes what are referred to as “mid-band” and “low-band”. Terms “high-band”, “wide-band”, “ultra wideband”, “millimeter wave”, “mmWave”, and “MWV” all generally refer to data on frequencies over 24Ghz.
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sub-6 refers to data below the 6Ghz spectrum, while mmWave accounts for data sent above 6Ghz . Spectrum is how cell towers and smartphones communicate with one another, and by using different waves of spectrum, carriers can achieve different things with their service.22 Haz 2021
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