The SFB-50375308-1519KF-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 8 dB, LO Drive Level 13 dBm. Tags: Balanced Mixer. More details for SFB-50375308-1519KF-N1 can be seen below.