Caleffo, R. C., and F. S. Correra. 2020. “3.4/4.0 GHz Tunable Resonant Cavity in SIW Technology Using Metal Post and PIN Diode on a Low-Cost Biasing Network for 5G Applications”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe) 19 (1):94-105. https://doi.org/10.1590/2179-10742020v19i11881.