The SYS3X3550WG from Narda-MITEQ is a Frequency Multiplier with Input Frequency 11.8 to 11.9 GHz, Output Frequency 35.4 to 35.7 GHz, Input Power 13 dBm, Output Power 14.5 dBm, Conversion Loss 2 dB. Tags: Module with Connectors, Waveguide, Waveguide Multiplier. More details for SYS3X3550WG can be seen below.