The MAX5H127142 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 2.54 to 2.84 GHz, Output Frequency 12.7 to 14.2 GHz, Input Power 12 to 16 dBm, Output Power 12 dBm, VSWR 2.00:1. Tags: Module with Connectors, Active. More details for MAX5H127142 can be seen below.