The CFM0101X220 from Cernex Inc is a Frequency Multiplier with Input Frequency 1 to 1.4 GHz, Output Frequency 2 to 2.8 GHz, Output Power 20 dBm, Harmonics 10 dBc, VSWR 2.00:1. Tags: Module with Connectors, Active, Passive. More details for CFM0101X220 can be seen below.