The HMC-C051 from Analog Devices is a RF Mixer with RF Frequency 11 to 20 GHz, LO Frequency 11 to 20 GHz, IF Frequency DC to 6 GHz, Conversion Loss 7 dB, LO Drive - Power 13 dBm. Tags: Module with Connectors, Double Balanced Mixer, Single Balanced Mixer. More details for HMC-C051 can be seen below.