The HMC304MS8 from Analog Devices is a RF Mixer with RF Frequency 1.7 to 3.0 GHz, LO Frequency 1.7 to 3.0 GHz, IF Frequency DC to 0.8 GHz, Conversion Loss 9 dB, LO Drive - Power 17 dBm. Tags: Surface Mount, Single Balanced Mixer. More details for HMC304MS8 can be seen below.