The SXS04M from Narda-MITEQ is a Frequency Multiplier with Input Frequency 2 to 9 GHz, Output Frequency 4 to 18 GHz, Input Power 8 to 12 dBm, Output Power 7 dBm, Harmonics -25 to -20 dBc. Tags: Drop-ln, Passive. More details for SXS04M can be seen below.