The CFM0309X220 from Cernex Inc is a Frequency Multiplier with Input Frequency 3 to 9 GHz, Output Frequency 6 to 18 GHz, Output Power 20 dBm, VSWR 2.00:1, Frequnecy 3 to 9 GHz. Tags: Module with Connectors, Active, Passive. More details for CFM0309X220 can be seen below.