The AT-MIX-7090G from AT Microwave is a Waveguide Mixer with RF Frequency 70 to 90 GHz, LO Frequency 70 to 90 GHz, IF Frequency DC to 12 GHz, Conversion Loss -15 to -10 dB, LO Drive Level 7 to 12 dBm. Tags: Balanced Mixer. More details for AT-MIX-7090G can be seen below.