The QMC-MX4-15F13 from Quantum Microwave is a Frequency Multiplier with Input Frequency 12.5 to 18.75 GHz, Output Frequency 50 to 75 GHz, Input Power 8 to 13 dBm, Output Power 13 to 15 dBm, Frequnecy 12.5 to 18.75 GHz. Tags: Waveguide, Active, Waveguide Multiplier. More details for QMC-MX4-15F13 can be seen below.