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    •  (2.4G技術)射頻識別(Radio Frequency Identification,RFID)技術,是利用射頻通信實現的非接觸式自動識別技術,利用無線射頻方式在閱讀器和應答器之間進行非接觸雙向數據傳輸,以達到目標識別和數據交

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