This is a small lightweight benchtop spectrum analyzer with coverage from 9 kHz up to 2. This analyzer includes most analysis functions such as RBW, VBW, Span, Markers and basic signal demodulation. The ILT 970 from International Light Technologies is a family of versatile, research-grade spectroradiometers, available with a range of application-specific input optics that provide for measurements of spectral irradiance, radiance or radiant flux. Using current advanced PC computer software and hardware, make the instrument has an excellent qualitative and quantitative testing function. Mouser offers inventory, pricing, & datasheets for Spectrum Analysers.