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This article designs a dual-band microstrip patch antenna in the 12-18 GHz range. The antenna works in the 12.80-13.10 GHz and 16.26-17.05 GHz frequency bands, respectively. When the antenna works at low frequency, the return loss is less than 10 dB, and the maximum gain is 4.7 dB; when the antenna works at high frequency, the return loss of the antenna is less than 10 dB, and the maximum gain is 6.4 dB. At the same time, the antenna has good radiation characteristics within the working frequency band and can meet the requirements of wireless communication.
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Li et al. (2024) studied this question.
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