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iPad Air 3G 或 wifi 使用時哪個電磁波較強呢?
Dec 31st 2013, 01:02

藍牙...使用範圍幾公尺
wifi..使用範圍幾百公尺
3g....使用範圍幾千公尺

那個需較強功率? 應該很清楚

測過家中hinet wifi強度...是ok的(比電話,電腦強度低)

至於3g強度...與基地台位置有關,不好評估

3g還有房間電磁波穿透問題,有些地方恐無法收到3g訊號

基本上,要我選會選wifi ap(買距離適用的,而非越遠越好,因為傳越遠勢必電磁波越強)

一來,買機子省,門號省, 花一次錢即可,且安全度可接受

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