The HMC942 from Analog Devices is a Frequency Multiplier with Input Frequency 12.5 to 15.5 GHz, Output Frequency 25 to 31 GHz, Input Power 0 to 6 dBm, Output Power 14 to 21 dBm, Return Loss 4 to 12 dB. Tags: Surface Mount, Active. More details for HMC942 can be seen below.