The SPM-15-0001 from Farran is a Waveguide Mixer with RF Frequency 50 to 75 GHz, LO Frequency 25 to 37.5 GHz, IF Frequency DC to 1 GHz, Conversion Loss 4 to 7 to dB, LO Drive Level 15 dBm. Tags: Sub-Harmonic Mixer. More details for SPM-15-0001 can be seen below.