The QFM4-40000-65000-16S from Qualwave is a Frequency Multiplier with Input Frequency 10 to 16.25 GHz, Output Frequency 40 to 65 GHz, Output Power 16 dBm, Harmonics -15 dBc, Voltage 6 to 12 V. Tags: Module with Connectors. More details for QFM4-40000-65000-16S can be seen below.