The M74C from MACOM is a RF Mixer with RF Frequency 7 to 18 GHz, LO Frequency 5 to 18 GHz, IF Frequency DC to 3 GHz, Conversion Loss 5.5 to 9.5 dB, LO Drive - Power 10 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for M74C can be seen below.