The AT-MIX-6090L from AT Microwave is a Waveguide Mixer with RF Frequency 60 to 90 GHz, LO Frequency 60 to 90 GHz, IF Frequency DC to 30 GHz, Conversion Loss -13 to -10 dB, LO Drive Level 10 to 16 dBm. Tags: Balanced Mixer. More details for AT-MIX-6090L can be seen below.