The CFM0203X420 from Cernex Inc is a Frequency Multiplier with Input Frequency 2 to 3.13 GHz, Output Frequency 8 to 12.52 GHz, Input Power 10 dBm, Output Power 20 dBm, Harmonics 7 to 10 dBc. Tags: Module with Connectors, Active, Passive. More details for CFM0203X420 can be seen below.