The QMC-MX2-12N21HS from Quantum Microwave is a Frequency Multiplier with Input Frequency 35.5 to 43 GHz, Output Frequency 71 to 86 GHz, Input Power 5 to 10 dBm, Output Power 20 to 22 dBm, Frequnecy 35.5 to 43 GHz. Tags: Waveguide, Active, Waveguide Multiplier. More details for QMC-MX2-12N21HS can be seen below.