價格應該比較貴！上傳速度是個瓶頸，信號良好才能快，但是要信號好，上傳的功率要大，天線也要大，不容易做得到。

來源: 原上草2017 於 2020-08-28 07:31:38 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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