[問題] 一個有關金城武的問題
想請教通訊界的前輩
早年 Ericsson 有一支手機廣告是金城武對著 T18 喊拉麵
然後日本拉麵店就外送到他家
但是 Ericsson T18 在我印象中是一支 GSM 手機
請問日本當年曾經有使用過 GSM 系統嗎?
(我印象中 2G 時代日本只有 PDC 跟 PHS,不知有無其他系統)
或是 Ericsson T18 曾經出過其他系統的機種?
不然金城武是怎麼在日本用 T18 叫拉麵的.....
衍生問題是....現在的 LTE、前不久的 W-CDMA 均演化自 GSM 系統
而在 3G 時代已經可以在日本漫遊
那麼日本各電信公司是在何時決定使用 CDMA2000 或 W-CDMA 呢?
從日本 2G 的環境跳到後來的 3G 環境曾經在日本國內引起爭議嗎?
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