The QFM2-40000-60000 from Qualwave is a Frequency Multiplier with Input Frequency 20 to 30 GHz, Output Frequency 40 to 60 GHz, Output Power 7 dBm, Voltage -0.7 to 7 V, Current 450 mA. Tags: Module with Connectors, Waveguide, Waveguide Multiplier, Frequency Doubler. More details for QFM2-40000-60000 can be seen below.