Practical read range evaluation of wearable embroidered UHF RFID tag

In this study, the on-body read range performance of a wearable ultra-high frequency (UHF) radio frequency identification (RFID) tag is evaluated. The tag is fabricated using conductive thread and an embroidery machine. A measurement scenario is described, in which such an embroidered tag is attached to human clothing. The measurement results demonstrate the practical read ranges of the tag utilizing the new concept of using conductive threads. A maximum read range of 1.30 meters is attained.