The CFM1215X420 from Cernex Inc is a Frequency Multiplier with Input Frequency 12.33 to 15 GHz, Output Frequency 37 to 45 GHz, Input Power 5 dBm, Output Power 20 dBm, VSWR 2.00:1. Tags: Module with Connectors, Active, Passive. More details for CFM1215X420 can be seen below.