The HMC260 from Analog Devices is a RF Mixer with RF Frequency 14 to 26 GHz, LO Frequency 18 to 26 GHz, IF Frequency DC to 8 GHz, Conversion Loss 7.5 dB, LO Drive - Power 13 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC260 can be seen below.