The NQ3740G18P18 from Norden Millimeter is a Frequency Multiplier with Input Frequency 9.25 to 10 GHz, Output Frequency 37 to 40 GHz, Input Power 0 to 5 dBm, Output Power 18 dBm, Harmonics 20 dBc. Tags: Module with Connectors, Waveguide, Waveguide Multiplier. More details for NQ3740G18P18 can be seen below.