A microstrip rectangular patch antenna for wearable applications is presented. The antenna is suitable for GSM 1800 operated at 1710–1785 MHz and 1805–1880 MHz. This suggested antenna is designed as a 101.3 mm wide, 159.172 mm long and 1.524 mm thick structure that is optimized for performance on the human body. The antenna was tested with a human user wearing it. As the result of the characteristics measurements made in the anechoic chamber, the S11 parameter was shown to be −33 dB (−10 dB bandwidth: 34 MHz, center frequency: 1.79 GHz).
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