The HMC951BLP4E from Analog Devices is a RF Mixer with RF Frequency 5.6 to 8.6 GHz, LO Frequency 4.5 to 12.1 GHz, IF Frequency DC to 3.5 GHz, Image Rejection 13 to 24 dBc, Conversion Gain 10 to 13 dB. Tags: Surface Mount, I/Q Mixer, Down-Conversion Mixer, Image Reject Mixer. More details for HMC951BLP4E can be seen below.