The QFM2-20000-50000-16 from Qualwave is a Frequency Multiplier with Input Frequency 10 to 25 GHz, Output Frequency 20 to 50 GHz, Input Power 5 to 10 dBm, Output Power 16 dBm, Harmonics -35 to -12 dBc. Tags: Module with Connectors, Frequency Doubler. More details for QFM2-20000-50000-16 can be seen below.