A Spectrum Analyzer is an instrument that allows you to measure, analyze and visualize RF signals. Applications for spectrum analyzers include manufacturing, education and amateur radio among other things. Immediate, In Situ Measurement The GPro 500. The OMEGA 5 is the all-in-one FT-IR solution for gas analysis. Capture real-world GNSS, cellular, and Wi-Fi signals in the field and replay them in the lab for repeatable. Tektronix Real-time Spectrum Analyzers (RSAs) and SignalVu analysis software enable accurate and reliable real-time RF measurements. Thanks to their architecture, Tektronix RSAs can record, stream, and analyze data in real time at full bandwidth to capture, isolate, and analyze even hard-to-find. Spectrum analyzers are frequency measuring devices.