The NT3740G18P18 from Norden Millimeter is a Frequency Multiplier with Input Frequency 12.33 to 13.33 GHz, Output Frequency 37 to 40 GHz, Input Power 0 to 5 dBm, Output Power 18 dBm, Harmonics 30 dBc. Tags: Module with Connectors, Waveguide, Waveguide Multiplier. More details for NT3740G18P18 can be seen below.