Abstract
This paper reported a design of a semicircular slotted microstrip patch antenna which has low loss and high gain, also suitable for ISM band applications. The antenna is fed through the coaxial probe and resonates at ISM band frequency of 2.4 GHz. The dimension of microstrip slotted patch is 8.3×7.1×0.16 cm3. This slotted patch is designed on the Rogers RT/Duroid substrate with relative permittivity of 2.2. The designed antenna is simulated using High-Frequency Structural Simulator software which gives the result with a return loss of − 39.5782 dB, VSWR of 1.0212 at 2.4 GHz and the total gain of 7.67dB. It is very compact and very easy to fabricate. The proposed slotted antenna is highly suitable for wireless communication of various ISM band applications like as W-LAN, WiFi, ZigBee, and Bluetooth etc.
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