... Analyzer,9kHz - 3GHz,-138dBm, RIGOL DSA1020 Desktop Spectrum Analyzer ModelDSA1030DSA1020Frequency Range9kHz - 3GHz9kHz - 2GHzDANL*1-138dBm-120dBmPhase Noise<- ... .Features and Benefits1.All digital IF design.2.8.5" widescreen with 800x480 high resolution and display.3.Varieties of measurement ... , LAN (LXI C), VGA, optional USB-GPIB convertor RIGOL DSA1030 Desktop Spectrum Analyzer