The AT-MIX-5075L from AT Microwave is a Waveguide Mixer with RF Frequency 50 to 75 GHz, LO Frequency 50 to 75 GHz, IF Frequency DC to 26.5 GHz, Conversion Loss 10 to 15 dB, LO Drive Level 12 to 16 dBm. Tags: Balanced Mixer. More details for AT-MIX-5075L can be seen below.