db slot - Enhanced bandwidth multiband slot antenna for portable devices | PDF 888 casino slot machine

The document presents the design and simulation of a microstrip patch antenna with slots, optimized for portable wireless devices, offering dual frequency bands at 1.1 GHz and 2.1 GHz with a gain of 6.18 dB for GSM and UMTS networks. Key features include an operating bandwidth of 300 and 420 MHz, a return loss of -17 dB and -22 dB respectively, and a comparison demonstrating its advantages over previous designs without slots. The proposed antenna's structure and parameters indicate its suitability for wireless USB dongle applications. - Download as a PDF or view online for free

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