The HMC665LP4 from Analog Devices is a RF Mixer with RF Frequency 0.7 to 1.2 GHz, LO Frequency 700 MHz to 1.2 GHz, IF Frequency 0.25 to 0.45 GHz, Conversion Gain 10 dB, LO Drive - Power 0 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC665LP4 can be seen below.