Radio Frequency Identification:RFID

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Radio Frequency IdentificationRFID
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RFID Operating Principles

• Passive device consisting of an antenna, a
  capacitor, and a small silicon chip encapsulated
  together.
• No battery - derive power from a reader
• Synthesizes a digital signal
• Energizing signal can also carry new information
  to flash memory inside the tag

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Sensing Applications

• Monitoring physical parameters
• Automatic product tamper detection
• Harmful agent detection
• Noninvasive monitoring

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