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Radio-frequency identification - Wikipedia
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What Is RFID, and Is It Really a Security Concern? - How-To Geek
What is RFID? | The Beginner's Guide to How RFID Systems Work
Radio-frequency identification (RFID) | Technology, History ...
Radio Frequency Identification (RFID): What It Is, How It Works
What is RFID - RFID Network
How do RFID and RF tags work? - Explain that Stuff
Introduction of Radio Frequency Identification (RFID)
What is RFID and How Does It Work? - Baeldung