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Multi-frequency radio frequency identification tag

  • US 10,339,436 B2
  • Filed: 05/20/2016
  • Issued: 07/02/2019
  • Est. Priority Date: 05/21/2015
  • Status: Active Grant
First Claim
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1. A multi-frequency radio frequency identification (RFID) tag, comprising:

  • a detachable RFID module configured to be physically removed from the RFID tag, the detachable RFID module including,an integrated circuit (IC) chip,a first antenna electrically coupled to the IC chip, wherein the first antenna is tunable to operate in a first frequency range in conjunction with the IC chip, anda coupling antenna electrically coupled to the IC chip; and

    a second antenna wirelessly coupled to the coupling antenna and configured to operate in a second frequency range, the second antenna being communicatively coupled to the IC chip via the coupling antenna.

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