The QBM-75000-110000 from Qualwave is a Waveguide Mixer with RF Frequency 75 to 110 GHz, LO Frequency 75 to 110 GHz, IF Frequency DC to 12 GHz, Conversion Loss 10 dB, LO Drive Level 8 to 15 dBm. Tags: Balanced Mixer. More details for QBM-75000-110000 can be seen below.