JR東日本與KDDI合作在山手線成功提供1Gbps頻寬的5G mmWave訊號,並達近100%車廂覆蓋率
作者 Chevelle.fu
<div class="deputation"><img src="https://bucket-image.inkmaginecms.com/version/hd/9dde7c0f-a597-445c-80dd-9a93db8a4006/image/2026/05/525b4af3-34bf-44...
<div class="deputation"><img src="https://bucket-image.inkmaginecms.com/version/hd/9dde7c0f-a597-445c-80dd-9a93db8a4006/image/2026/05/525b4af3-34bf-44...