The AK-2X from Spacek Labs is a Frequency Multiplier with Input Frequency 9 to 13.2 GHz, Output Frequency 18 to 26.5 GHz, Input Power 12 dBm, Output Power 17 dBm, Frequnecy 9 to 13.2 GHz. Tags: Module with Connectors, Active. More details for AK-2X can be seen below.