The HMC623LP4 from Analog Devices is a RF Mixer with RF Frequency 1.8 to 2.7 GHz, LO Frequency 2.0 to 2.5 GHz, IF Frequency 0.05 to 0.65 GHz, Conversion Gain 33 dB, P1dB 19 to 20 dBm. Tags: Surface Mount, Down-Conversion Mixer. More details for HMC623LP4 can be seen below.