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A Wideband Slot Antenna with Folded Parasitic Line for Multiple Band Operation

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Fig. 2.   Simulated reflection coefficients of the wideband slot  antennas with and without folded parasitic line
Fig. 3.   Simulated reflection coefficients of the presented  antenna as varied L p3  = 27 mm, 31 mm, and 35 mm
Fig. 7.   Simulated and measured reflection coefficients of the  presented antenna.
Fig. 10.  Measured radiation patterns of the presented antenna at the frequencies of (a) 850 MHz, (b) 900 MHz, (c) 1800 MHz, (d) 1900 MHz,   (e) 2100 MHz, (f) 2300 MHz, and  (g) 2450 MHz

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