The CFM2537X204 from Cernex Inc is a Frequency Multiplier with Input Frequency 25 to 37.5 GHz, Output Frequency 50 to 75 GHz, Input Power 20 dBm, Output Power 4 dBm, VSWR 2.00:1. Tags: Module with Connectors, Active, Passive. More details for CFM2537X204 can be seen below.