The HMC175MS8 from Analog Devices is a RF Mixer with RF Frequency 1.7 to 4.5 GHz, LO Frequency 2.2 to 2.6 GHz, IF Frequency DC to 1 GHz, Conversion Loss 8 dB, LO Drive - Power 13 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC175MS8 can be seen below.