The QMC-MIX28-FB00 from Quantum Microwave is a Waveguide Mixer with RF Frequency 26.5 to 40 GHz, LO Frequency 26.5 to 40 GHz, IF Frequency 100 MHz to 18 GHz, Conversion Loss 7 dB, LO Drive Level 10 to 13 dBm. Tags: Balanced Mixer. More details for QMC-MIX28-FB00 can be seen below.