The AT-MIX-5075H from AT Microwave is a Waveguide Mixer with RF Frequency 50 to 75 GHz, LO Frequency 50 to 75 GHz, IF Frequency DC to 26 GHz, Conversion Loss -13 to -10 dB, LO Drive Level 10 to 16 dBm. Tags: Balanced Mixer. More details for AT-MIX-5075H can be seen below.