Certain materials used in current phone cases can block the mmWave frequencies used in some 5G networks. D3O has developed a new, less-dense version of its D3O shock-absorbing material that lets ...
Phone cases can reduce millimeter-wave signals, so D3O developed a honeycomb-like material full of air bubbles, which reduces the density of the case and improves signal strength. I'm that 5G guy.
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