Comparison of a Circular Patch Unit Cell Performance for Reflector Applications between Using FR4 and F4BMX220 Substrates at 3.5 GHz Frequency. J. Elektron. dan Telekomun. [Internet]. 2023 Dec. 31 [cited 2026 Jun. 9];23(2):91-8. Available from: https://jurnalet.brin.go.id/jet/article/view/587