The HMC143 from Analog Devices is a RF Mixer with RF Frequency 5to20 GHz, LO Frequency 15.5 to 20 GHz, IF Frequency DC to 3 GHz, Conversion Loss 10 dB, LO Drive - Power 20 dBm. Tags: Die, Double Balanced Mixer. More details for HMC143 can be seen below.