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ڳ̳» Ͷ йͨʼر2G Ӱ500û
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[̸] йͨʼر2G Ӱ500û

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2016-5-19
2018-4-14 13:46:41 | ʾȫ¥ |Ķģʽ

412գͨڲͨ棬йͨijʡ˾2GվƵ˷ͣͻվ101Ϊ˷չ4Gйͨʼ2G

Դˣйͨ򱱾̱ȷϢʵϣ1µйͨѾڶʡпʼ2G˷ҪгϽչ2Gҵ񡣸ڲϢĿǰͨ2GͻռԼΪͻ2%2017ͨûۼƵ2.8ڻĿǰ2Gͻ500ҡҲ˵ȫͨ2Gһȫ˷500û޷ͨ

ƣ֮ͨԹر2Gпܰԭ򣺵һΪתƵԴͨҪ2GԴת4G˾ٽڲҵչڶ˾ٿɴ󽵵άɱȥ깤ŲģӪGSMƵϲNB-IoTϵͳйƶԭ2GƵϽ4GNB-IoT磬˵2G900Mhz1800MhzΪƵΣͬҲͨԴЩԭͨѡر2G硣

ǣر2GǹⲻӪѾر2G硣ȫΧһϵйͣ2G綯ҲԤʾ2Gͨ˳ʷ̨Ϥ2017ףҹ1572Gվ2.9ڵ2GûԼΪ2Gĺ豸

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