Design, Fabrication, and Experimental Evaluation of a 435 MHz Helical Antenna for 433 MHz IoT Modules. Jurnal Elektronika dan Telekomunikasi, [S. l.], v. 25, n. 2, p. 170–180, 2025. DOI: 10.55981/jet.813. Disponível em: https://jurnalet.brin.go.id/jet/article/view/813. Acesso em: 9 jun. 2026.