Technik
20.5.2026KI-Zusammenfassung
KDDI and JR East successfully expand 5G millimeter wave communication area in Yamanote Line trains
KDDI and JR East have successfully expanded 5G millimeter wave communication areas within Yamanote Line trains to approximately 97% from 40%, achieving speeds of 1Gbps. The system uses specialized glass antennas and amplifiers to overcome signal blockage in metal train cars.
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ITmedia2 Min. Lesezeit