Aug 10, 2015
What Is An RFID ? RFID tags can be divided into three different categories according to the power supply method , passive RFID , active RFID, and semi-active RFID. 1,Passive RFID Passive RFID is the most widely used in RFID filed that also is the earliest and the most mature among the three types of RFID products. In passive RFID, the electronic tag receives the microwave signal transmitted by the...
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