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Double layer circular shape cut slot Microstrip patch antenna This paper presents a design of double layer micro strip patch antenna and experimentally studied on IE3D, an electromagnetic simulation package by Zeland Software Inc. Double layers circular shape cut slot micro strip patch antenna is designed on a FR4 substrate of thickness 1.524 mm and relative permittivity of 4.4 and mounted above the ground plane at a height of 1.6 mm. Bandwidth as high as 7.5 % are achieved with stable pattern characteristics, such as gain and cross polarization, within its bandwidth. Impedance bandwidth, antenna gain and return loss are observed for the proposed antenna. Details of the measured and simulated results are presented and discussed