The HMC553ALC3B from Analog Devices is a RF Mixer with RF Frequency 6 to 14 GHz, LO Frequency 6 to 14 GHz, IF Frequency DC to 5 GHz, Conversion Loss 7 to 10 dB, Noise Figure 8.5 to 10 dB. Tags: Surface Mount, Double Balanced Mixer, Up-Conversion Mixer, Down-Conversion Mixer. More details for HMC553ALC3B can be seen below.