Additional Features: Frequency range: 100 kHz to 3 GHz or 6 GHz Tracking Generator: 10 MHz to 3 GHz or 6 GHz Preamplifier to 3 GHz or 6 GHz DANL: -156 dBm, nomalized to 1 Hz Best-in-class spectrum analyzer dynamic range with +18 dBm TOI Overall amplitude accuracy: +- 0.5 dB 10% adjustable RBW steps from 10 Hz to 200 kHz, 250 kHz, 300 kHz, 1 MHz, and 5 MHz The Agilent N1996A CSA spectrum analyzer provides exceptional performance at a reasonable price.  The Agilent N1996A has a superior dynamic-range (96 dBc) and unparralleled ease-of-use.