The SFQ-70390315-1212SF-E1-M from ERAVANT is a Waveguide Mixer with RF Frequency 70 to 90 GHz, LO Frequency 70 to 90 GHz, IF Frequency DC to 2 GHz, Conversion Loss 15 to 20 dB, LO Drive Level 10 to 12 dBm. More details for SFQ-70390315-1212SF-E1-M can be seen below.