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关于5G的原理 这张图全说清楚了
source link: http://network.51cto.com/art/201902/592332.htm
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去年年底，工业和信息化部向中国电信、中国移动、中国联通发放了5G系统中低频段试验频率使用许可。根据三大运营商的时间表，今年，5G设备将开始试商用。
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