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thumbnail 手機也有指紋？新識別技術　讓犯罪伙伴們驚呆了..
Aug 7th 2013, 12:57, by service.nownews@gmail.com (nownews)

〔大陸新聞中心／綜合報導〕電影裡經常會出現一些畫面，主角為了避免手機信號被竊聽，通常會在通話前把手機的SIM卡換掉，之後便可為所欲言。而最近德國德勒斯登科技大學的科研人員卻發現這種方法似乎也不太靠譜。團隊負責人Jakob Hasse表示他們發現每一個手機都有自己特有的無線電射頻，可以簡稱為RF（radio frequency）指紋，執法部門完全可以依靠監測大氣電波中的這種頻率來辨別某一個手機。

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