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dual L-shaped antenna 30.5 mm× 21.5 mm operating in the 1.569 GHz– 1.585 GHz and 1.850 GHz–1.990 GHz bands has been proposed [9]. A 2.4 GHz and 5.8 GHz dual band antenna was proposed for the ISM band using a backed microstrip line [10] 30 mm× 20 mm overall on an FR4 substrate and achieved a maximum