The HMC258LM3 from Analog Devices is a RF Mixer with RF Frequency 14 to 20 GHz, LO Frequency 7 to 10.5 GHz, IF Frequency DC to 3 GHz, Conversion Loss 10 dB, P1dB -5 dBm. Tags: Surface Mount, Sub-Harmonic Mixer. More details for HMC258LM3 can be seen below.