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In this work, a platform tolerant novel dual band tag antenna is proposed for UHF‐RFID bands used in Europe (855‐867 MHz) and Japan (950‐955 MHz). Asymmetrical shunt stub feed network is employed to effectively match its impedance to the microchip (Alien Higgs‐4). The antenna miniaturization is achieved by embedding inverted L‐shaped slit on left side of the patch. Also, asymmetrical stepped rectangular...