Rossoshanskiy Andrey V. RussiaSaratovSaratov State University, 410012, Russia, Saratov, Astrakhanskaya street, 83410010nova@sgu.ru Author's articles Model of the Miniature Modulator for Microwave Devices Analysis by Finite Element Method of Integral Antenna of RFID Tag at 5.5–6.5 GНz