The SFH-19SFSF-A3-2 from ERAVANT is a Waveguide Mixer with RF Frequency 40 to 60 GHz, LO Frequency 5 to 12 GHz, IF Frequency DC to 1.6 GHz, Conversion Loss 28 dB, LO Drive Level 16 dBm. Tags: Harmonic Mixer, Balanced Mixer. More details for SFH-19SFSF-A3-2 can be seen below.