The SPM-12-0001 from Farran is a Waveguide Mixer with RF Frequency 60 to 90 GHz, LO Frequency 30 to 45 GHz, IF Frequency 10 MHz to 6 GHz, Conversion Loss 5 to 8 to dB, LO Drive Level 15 dBm. Tags: Sub-Harmonic Mixer. More details for SPM-12-0001 can be seen below.