TY - JOUR T1 - Characterization of the Dielectric Properties of 3D Printing Filaments Using Cavity Perturbation Technique for 5G Applications JO - Journal of Microwaves, Optoelectronics and Electromagnetic Applications A1 - Castro, Wagner A1 - Santos, Daniel A1 - Armas, Luis A1 - Schlosser, Edson R. A1 - Heckler, Marcos V. T. SN - 2179-1074 UL - 10.1590/2179-10742026v25i2298896 VL - 25 Y1 - 2026 PB - Brasil ER -