The RMX140G220GA from RF-Lambda is a Waveguide Mixer with RF Frequency 140 to 220 GHz, IF Frequency 17.5 to 27.5 MHz, Conversion Loss 36 dB, Conversion Gain 40 dB, LO Drive Level 7 to 12 dBm. Tags: Harmonic Mixer. More details for RMX140G220GA can be seen below.