The R&S FS-Z60 from Rohde & Schwarz is a Waveguide Mixer with RF Frequency 40 to 60 GHz, LO Frequency 8.6 to 15.4 GHz, IF Frequency 5 MHz to 3.2 GHz, Conversion Loss 23 to 25 dB, LO Drive Level 19 dBm. Tags: Harmonic Mixer. More details for R&S FS-Z60 can be seen below.