The AT-IQM-4060H from AT Microwave is a Waveguide Mixer with RF Frequency 40 to 60 GHz, LO Frequency 40 to 60 GHz, IF Frequency DC to 20 GHz, Conversion Loss 10 to 13 dB, LO Drive Level 15 to 21 dBm. Tags: IQ Mixer. More details for AT-IQM-4060H can be seen below.