Small Size and Low Cost UHF RFID Tag Antenna Mountable on Metallic Objects

Sergio López-Soriano, Josep Parrón

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Abstract

© 2015 Sergio López-Soriano and Josep Parrón. Reducing tag size while maintaining good performance is one of the major challenges in radio-frequency identification applications (RFID), in particular when labeling metallic objects. In this contribution, a small size and low cost tag antenna for identifying metal objects in the European UHF band (865-868 MHz) is presented. The antenna consists of a transmission line mounted on an inexpensive thin dielectric which is proximity-coupled to a short-ended patch mounted on FR4 substrate. The overall dimensions of the tag are 33.5 × 30 × 3.1 mm. Experimental results show that, for an EIRP of 3.2 W (European regulations), such a small and cheap tag attains read ranges of about 5 m when attached to a metallic object.
Original languageEnglish
Article number870478
JournalInternational Journal of Antennas and Propagation
Volume2015
DOIs
Publication statusPublished - 1 Jan 2015

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