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RFID
射频识别 shè pín shí bié


RFID stands for Radio Frequency IDentification 射频识别 shè pín shí bié. A RFID tag is a transponder (device) that receives a radio wave sent by a RFID reader and returns the signal with information added to it. A RFID tag stores digital information. The tag can therefore provide a unique identifier for the object (including living things) that it - the tag - is attached to. In terms of hardware, a RFID tag contains an integrated circuit and an aerial / antenna. A remote RFID reader scans and reads the information on the tag. It is deemed by some users that RFID has an advantage over magnetic stripes and bar codes as RFID tags do not have to be placed at precise locations in order for the information to be read.

RFID is said to be the backbone of the
IoT - The Internet of Things.

There are two main types of RFID tags: passive RFID tags and active RFID tags.


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RFID
Pengecaman Frekuensi Radio
射频识别 shè pín shí bié


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