Abstract
This work presents a small multi band antenna that use the etching slots approach in radiating element. The suggested antenna is meant to mark two separate frequencies: 7500 MHz, 9000 MHz, and a wide band from 22.4 GHz to 28.9 GHz for modern wireless communication applications. The antenna's total dimensions are <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$13\times 12.8\times 1.6\ \text{mm}^{3}$</tex> in the constructed prototype. At −10 dB, the bandwidths are 221 MHz (7.34-7.57 GHz), 230 MHz (8.85-9.08 GHz) and 6500 MHz (22.4-28.9 GHz) at various frequencies. As a result of the findings, the suggested multi band antenna may be utilized for military, radar communications, and is a promising contender for modern wireless mobile communication applications.
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