The AT-IQM-4060ML from AT Microwave is a Waveguide Mixer with RF Frequency 40 to 60 GHz, LO Frequency 40 to 60 GHz, IF Frequency DC to 20 GHz, Conversion Loss -13 to -10 dB, LO Drive Level 8 to 17 dBm. Tags: Balanced Mixer. More details for AT-IQM-4060ML can be seen below.