The CFM0813X303 from Cernex Inc is a Frequency Multiplier with Input Frequency 8.82 to 13.88 GHz, Output Frequency 26.5 to 40 GHz, Input Power 20 dBm, Output Power 3 dBm, VSWR 2.00:1. Tags: Module with Connectors, Active, Passive. More details for CFM0813X303 can be seen below.