Frequency Switchable Global RFID Tag Antennae with Metal Compatibility for Worldwide Vehicle Transportation

Krishna Mazumder, Anumoy Ghosh, Anagha Bhattacharya, Sarosh Ahmad, Adnan Ghaffar, Mousa Hussein

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


This paper presents an effective way to design an RFID tag antenna to operate at three different frequencies by incorporating a switching technique. PIN diode has been used to switch the RF frequency because of its good efficiency and simplicity. The conventional dipole-based RFID tag has been improvised with added co-planar ground and PIN diode. The layout of the antenna is designed with a size of 0.083 (Formula presented.) × 0.094 (Formula presented.) at UHF (80–960) MHz, where (Formula presented.) is the free-space wavelength corresponding to the mid-point of the targeted UHF range. The RFID microchip is connected to the modified ground and dipole structures. Bending and meandering techniques on the dipole length help to match the complex chip impedance with the dipole impedance. Additionally, it scales down the total structure of the antenna. Two PIN diodes are placed along the dipole length at appropriate distances with proper biasing. The ON-OFF switching states of the PIN diodes enable the RFID tag antenna to switch over the frequency ranges (840–845) MHz (India), 902–928 MHz (North America), and 950–955 MHz (Japan).

Original languageEnglish
Article number3854
Issue number8
Publication statusPublished - Apr 2023


  • PIN diode
  • RFID
  • frequency switching
  • metal mountable

ASJC Scopus subject areas

  • Analytical Chemistry
  • Information Systems
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering


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