The HMC142C8 from Analog Devices is a RF Mixer with RF Frequency 1to15 GHz, LO Frequency 6 to 15 GHz, IF Frequency DC to 2 GHz, Conversion Loss 8.5 dB, LO Drive - Power 15 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC142C8 can be seen below.