The HMC904LC5 from Analog Devices is a Down Converter with RF Frequency 17 to 24 GHz, IF Frequency 0 to 3.5 GHz, Conversion Gain 12 dB, Image Rejection 30 dB, P1dB -6 to -8 dBm. Tags: Surface Mount, I/Q Downconverter. More details for HMC904LC5 can be seen below.