Agilent/HP / Spectrum Analyzer / E4404B/1D5/A4H Dynamic Range +30 dBm - -166 dBm Frequency Range 9 kHz - 6.7 GHz Input Impedance 50 ohm Other Features -112 dBc/H Residual FM -90 dBc/Hz Resolution Bandwidth 10 Hz - 5 MHz Video Bandwidth 30 Hz - 3 MHz