The HMC333 from Analog Devices is a RF Mixer with RF Frequency 3.0 to 3.8 GHz, LO Frequency 3.0 to 3.8 GHz, IF Frequency DC to 1 GHz, Conversion Loss 8.5 dB, P1dB -3 to 1. Tags: Surface Mount, Double Balanced Mixer. More details for HMC333 can be seen below.