The FSU Series are portable Spectrum Analyzer from Rhode & Schwarz that operates from 20 Hz to 67 GHz (Multiple configurations available 3.6/8/26/43/46/50/67 GHz) with a Frequency resolution of 0.01 Hz. The Series has a DANL of less than -148 dBm, IP3 of 25 dBm and a P1dB of 13 dBm. It is ideal for use in aerospace and defense or for general microwave applications.