coco 發問時間: 汽車與交通航空器 · 7 年前

美國客機中為何可使用機上電話對外通訊

美國客機中為何可使用機上電話對外通訊

1 個解答

評分
  • ?
    Lv 7
    7 年前
    最佳解答

    Even they have been discontinued, they are in fact a form of satellite phone.

    On the other hand, excluding the issue of flight safety, one of the reason why cell phones can't be used in the air is lack of reception.

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