SPECTRUM DEFENDER

Electronic radio-frequency test and measurement instrumentation without RADAR functionality for use by electrical engineers for mathematically analyzing, recording, reproducing, or generating radio frequency signals, namely, radio-frequency spectrum analyzers, radio-frequency recorders, and radio-frequency signal generators, all for use in the field of testing and evaluating the performance of non-radar devices which process radio frequency signals; computer software for use by electrical engineers for testing and measuring radio-frequency signals, and for mathematically analyzing, recording, reproducing, or generating radio-frequency signals, all for use in the field of testing and evaluating the performance of non-radar devices which process radio frequency signals and without RADAR functionality, for use in connection therewith