@article{castro_santos_armas_schlosser_heckler_2026,  title={Characterization of the Dielectric Properties of 3D Printing Filaments Using Cavity Perturbation Technique for 5G Applications},  volume={25},  ISSN={2179-1074},  url={https://doi.org/10.1590/2179-10742026v25i2298896},  DOI={10.1590/2179-10742026v25i2298896},  number={2},  journal={Journal of Microwaves, Optoelectronics and Electromagnetic Applications},  publisher={Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo},  author={Castro, Wagner and Santos, Daniel and Armas, Luis and Schlosser, Edson R. and Heckler, Marcos V. T.},  year={2026},  pages={e2026298896} }