Electronic test and measurement instruments, namely, wireless radio frequency spectrum and signal analyzers and digitizers for use in detecting, measuring, monitoring and analyzing wireless and radio frequency signals; Downloadable computer software used in association with electronic or radio frequency testing, signaling and measuring equipment for the purposes of detecting, collecting, analyzing, storing and managing data obtained from testing, measuring, demodulating and decoding wireless and radio frequency signals; Downloadable and recorded computer software used in field-programmable gate arrays and embedded processors used in radio frequency measurement hardware for the purposes of controlling the radio frequency hardware and host processor, and detecting, collecting, storing, measuring and managing data from testing and measuring wireless and radio frequency signals; Radio frequency apparatus, filters, instruments and systems, namely, radio frequency upconverters and downconverters used to increase frequency range; DC Power converters, namely, conditioning and treatment equipment for computer and radio frequency hardware.