The HMC141LH5 from Analog Devices is a RF Mixer with RF Frequency 7to11 GHz, LO Frequency 12 to 14 GHz, IF Frequency DC to 2 GHz, Conversion Loss 10 dB, LO Drive - Power 15 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC141LH5 can be seen below.