The HMC168C8 from Analog Devices is a RF Mixer with RF Frequency 4.5 to 8.0 GHz, LO Frequency 4.5 to 8.0 GHz, IF Frequency DC to 2 GHz, Conversion Loss 8.2 dB, LO Drive - Power 10 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC168C8 can be seen below.