Spectrum Analyzer, 9kHz-6.5GHz - The HP Agilent 8595A Spectrum Analyzer has a frequency range of 9 kHz to 6.5 GHz with an amplitude range of -114 to +30 dBm.
Option 105 - time-gated spectrum analysis, allows the user to selectively mesure the spectrum of signals that may overlap in the frequency domain, but be separated in the time domain.