The model .02 from Rohde & Schwarz is a Spectrum Analyzer with AC Voltage 100 to 240 V, Attenuation 0 to 10 dB, Frequency 5 kHz to 2 GHz / 5 KHz to 3 GHz(R&S®FPH-B3 option installed) / 5 KHz to 4 GHz(R&S®FPH-B3 and R&S®FPH-B4 options installed), Phase Noise -120 to -88 dBc/Hz. More details for model .02 can be seen below.