The HMC977LP4E from Analog Devices is a Down Converter with RF Frequency 20 to 28 GHz, IF Frequency 0 to 3.5 GHz, Conversion Gain 14 dB, Image Rejection 21 dB, P1dB -7 to -8 dBm. Tags: Surface Mount, I/Q Downconverter. More details for HMC977LP4E can be seen below.