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The article consists of a novel compact disc patch antenna with S-shaped slot. It is proposed that it operates on multiband covering the applications in WiMAX, WLAN, X-bands and ITU of frequency. The multiband behavior of proposed antenna with a wide band (6.091-7.27) is achieved, mainly due to the appropriate placing of two shorting pins, S-shaped slots on the circular disc patch and the material of the substrate used. The designed antenna operates at resonating frequencies of 2.63 GHz, 3.12 GHz, 4.52 GHz, 6.68 GHz and 8.32 GHz respectively. It is suitable for WiMAX, WLAN, C-band (4-8 GHz) and ITU. The geometry is then simulated using available IE3D software and the results are measured. It is found that the agreements between the simulated and experimental results are very good.

A Compact Slots Loaded Disc Patch Antenna for Multiband Application