World's first transparent 5G antennas turn windows into base stations. That's where futuristic glass antennas come in, courtesy of a partnership between glassmaker AGC, mobile carrier NTT Docomo, and infrastructure firm JTower. 
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Dubbed WAVEANTENNA, it turns ordinary windows into inconspicuous 5G base stations by sandwiching a special transparent conductive material – similar to what's found in laminated windshields – between two panes of glass.