NTT DOCOMO, INC. and AGC Inc. announced today that it has developed a prototype technology that efficiently guides 28-GHz 5G radio signals from outdoors to indoor locations using a film-like metasurface lens that attaches to window surfaces. DOCOMO and AGC also conducted what is believed to be world’s first successful trial to direct 28-GHz signals passing through a window to a specific location indoors as well as raise the strength of the signals.
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