The RMX220G325GA from RF-Lambda is a Waveguide Mixer with RF Frequency 220 to 325 GHz, IF Frequency 27.5 to 40.63 MHz, Conversion Loss 46 dB, Conversion Gain 58 dB, LO Drive Level 7 to 12 dBm. Tags: Harmonic Mixer. More details for RMX220G325GA can be seen below.