The SFB-90314415-0810KF-N1 from ERAVANT is a Waveguide Mixer with RF Frequency 90 to 140 GHz, LO Frequency 75 to 110 GHz, IF Frequency DC to 35 GHz, Conversion Loss 12 to 15 dB, LO Drive Level 13 to 15 dBm. Tags: Balanced Mixer. More details for SFB-90314415-0810KF-N1 can be seen below.