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CellNetwork10^
    Network2G.2G (or 2-G) 是电二代行动通信技术的简称。 2G 通信网是在1991年由Radiolinja 在芬兰基于GSM 标准而商业般的创立(目前是 Elisa Oyj 一部分). 以通用封包无线服...^

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