The SXS2J040180 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 2 to 9 GHz, Output Frequency 4 to 18 GHz, Input Power 3 to 8 dBm, Output Power 12 dBm, Harmonics -25 to -20 dBc. Tags: Module with Connectors, Passive. More details for SXS2J040180 can be seen below.