RFID Tag Characterization in a GHz Transverse Electromagnetic Cell

Abstract

This paper presents results from a study that attempted to characterize the performance of RFID tags in a GHz Transverse Electromagnetic (GTEM) cell in which an approximately constant electro magnetic (EM) field potentially free of any extraneous interference was maintained. Performance of four commercially available RFID tags manufactured by different vendors was characterized on the basis of horizontal directivity, vertical directivity, sensitivity, and frequency characteristics.