The SFQ-30340310-2828SF-N1-M from ERAVANT is a Waveguide Mixer with RF Frequency 30 to 40 GHz, LO Frequency 30 to 40 GHz, IF Frequency DC to 5 GHz, Conversion Loss 10 to 12 dB, LO Drive Level 16 to 20 dBm. More details for SFQ-30340310-2828SF-N1-M can be seen below.