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NFC功能一直开启会耗电么
更新时间: 2020-10-02 00:00:00  

NFC功能一直开启会耗电,NFC功能在运行中是耗电的,功能分为被动触发和主动触发。

被动触发是打开NFC功能,是一种等待被唤醒的状态,遇到读卡器会被唤醒,唤醒之后的交互过程耗电,等待被唤醒时也耗电,但耗电量小。

主动触发是手机NFC功能成为读卡设备,手机上的APP被打开以后,调用NFC模块实现射频读取,如读取另外卡片上的信息,这个状态会耗电。

关键词: nfc 功能 一直 开启 耗电

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