The SFH-12SFSF-A1 from ERAVANT is a Waveguide Mixer with RF Frequency 60 to 90 GHz, LO Frequency 3 to 6.1 GHz, IF Frequency DC to 1.3 GHz, Conversion Loss 45 dB, LO Drive Level 16 dBm. Tags: Harmonic Mixer. More details for SFH-12SFSF-A1 can be seen below.