The MAX4M124133 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 3.11 to 3.32 GHz, Output Frequency 12.46 to 13.28 GHz, Input Power 8 to 10 dBm, Output Power 8 dBm, VSWR 2.00:1. Tags: Module with Connectors, Active. More details for MAX4M124133 can be seen below.