This is a Rohde Schwarz FSW85 Millimeter-Wave Spectrum Analyzer.  This unit is in GREAT condition, and guaranteed fully operational.  The options below are installed:

B4--Timebase

B21--External Mixer Capability

B71--Analog Baseband Inputs

B512--Analysis Bandwidth, 512MHz

B5000--Analysis Bandwidth, 5GHz, requires RTO2064 Oscilloscope

Windows 10 OS

Experience everyday excellence with the FSW, the high-performance signal and spectrum analyzer that redefines precision. Ideal for a variety of applications – from complex communication systems to RF components – this powerful analyzer is your trusted partner for reliable measurements and unparalleled phase noise performance. Whether developing high-performance radars or characterizing wideband components, the wide internal analysis bandwidth and exceptional accuracy of the FSW set signal analysis standards.