The NT2731G20P20 from Norden Millimeter is a Frequency Multiplier with Input Frequency 9 to 10.33 GHz, Output Frequency 27 to 31 GHz, Input Power 0 to 5 dBm, Output Power 20 dBm, Harmonics 20 dBc. Tags: Module with Connectors, Waveguide, Waveguide Multiplier. More details for NT2731G20P20 can be seen below.