The HMC213B from Analog Devices is a RF Mixer with RF Frequency 1.5 to 4.5 GHz, LO Frequency 1.5 to 4.5 GHz, IF Frequency DC to 1.5 GHz, Conversion Loss 9 to 10.5 dB, LO Drive - Power 27 dBm. Tags: Surface Mount, Double Balanced Mixer, Up-Conversion Mixer, Down-Conversion Mixer. More details for HMC213B can be seen below.