One of the main drawbacks of millimeter wave-based 5G is that wireless high-band technology does not work well indoors . This is because millimeter wave, or MM wave, signals struggle to penetrate building walls and certain types of glass, thus hobbling indoor 5G performance.
Read moreWhy 5G Cannot penetrate walls?
The value behind 5G stems from its ability to use a much wider spectrum at higher frequencies. The catch, though, is that as these frequencies heighten, the ability to penetrate material decreases . Current 4G technology largely operates on the 700 MHz band of the spectrum.
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