The 5G standard uses millimeter waves, which are a lot shorter than the wavelengths 4G uses . The shorter wavelength means 5G can carry a lot of data much faster than 4G, but it also means a much shorter range.
Read moreDoes 5G have less coverage?
US 5G networks, while heavily promoted by the big three mobile operators, are only slightly faster than 4G, and in some cases 5G is now slower than last year .
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