The HMC370LP4 / 370LP4E from Analog Devices is a Frequency Multiplier with Input Frequency 3.6 to 4.1 GHz, Output Frequency 14.4 to 16.4 GHz, Input Power -15 dBm, Harmonics 22 dBc, Phase Noise -140 dBc/Hz. Tags: Surface Mount, Active. More details for HMC370LP4 / 370LP4E can be seen below.