The QMC-MX2-28F23 from Quantum Microwave is a Frequency Multiplier with Input Frequency 13.25 to 20 GHz, Output Frequency 26.5 to 40 GHz, Input Power 5 to 10 dBm, Output Power 21 to 23 dBm, Frequnecy 13.25 to 20 GHz. Tags: Waveguide, Active, Waveguide Multiplier. More details for QMC-MX2-28F23 can be seen below.