Bermudez, Giovanni2019-09-192019-09-19http://hdl.handle.net/11349/20289This document presents academics experiences about the design of a wireless communications system at microwave frequencies for applications in electronic toll collection. This work was based in Gallium Arsenium (HgaAsIV - F20) technology of Gec-Marconi Company.application/pdfinfo:eu-repo/semantics/article