The WHMB-03-0001 from Farran is a Waveguide Mixer with RF Frequency 220 to 325 GHz, LO Frequency 9.16 to 13.54 GHz, IF Frequency 10 MHz to 1 GHz, Conversion Loss 45 dB, LO Drive Level 15 dBm. Tags: Harmonic Mixer. More details for WHMB-03-0001 can be seen below.