The HMC445 from Analog Devices is a Frequency Multiplier with Input Frequency 618.75 to 687.5 GHz, Output Frequency 9.9 to 11 GHz, Input Power -15 dBm, Output Power 7 dBm, Harmonics 25 dBc. Tags: Surface Mount, Active. More details for HMC445 can be seen below.