RFID (Radio Frequency Identification) is a technology that uses radio waves to identify objects, animals or people. It is used for a wide range of applications such as access control, asset tracking, supply chain management, and contactless payments. An RFID system consists of two parts: an RFID tag, which is a small device containing a chip and an antenna, and an RFID reader, which is a device that reads and writes data to and from the tag.

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