The SFB-50375315-1519KF-N1 from ERAVANT is a Waveguide Mixer with RF Frequency 50 to 75 GHz, LO Frequency 40 to 60 GHz, IF Frequency DC to 35 GHz, Conversion Loss 15 to 18 dB, LO Drive Level 13 to 15 dBm. Tags: Balanced Mixer. More details for SFB-50375315-1519KF-N1 can be seen below.