The AQ-2X from Spacek Labs is a Frequency Multiplier with Input Frequency 16.5 to 25 GHz, Output Frequency 33 to 50 GHz, Input Power 12 dBm, Output Power 15 to 18 dBm, Frequnecy 16.5 to 25 GHz. Tags: Module with Connectors, Active. More details for AQ-2X can be seen below.