The SYS4X1146 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 10.25 to 11.5 GHz, Output Frequency 41 to 46 GHz, Input Power 12 dBm, Output Power 13 to 16 dBm, Harmonics -60 to -45 dBc. Tags: Module with Connectors, Active. More details for SYS4X1146 can be seen below.