The R&S®SPECTRUM RIDER FPH 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 / 5 kHz to 4 GHz / 5 kHz to 6 GHz / 5 kHz to 8 GHz / 5 kHz to 13.6 GHz / 5 kHz to 20 GHz / 5 kHz to 26.5 GHz / 5 kHz to 31 GHz / 5 kHz to 44 GHz, Phase Noise -120 to -88 dBc/Hz. More details for R&S®SPECTRUM RIDER FPH can be seen below.