The AT-MIX-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 21 GHz, Conversion Loss -10 dB, LO Drive Level 10 to 16 dBm. Tags: Balanced Mixer. More details for AT-MIX-4060ML can be seen below.