The MAX4M127134 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 3.17 to 3.32 GHz, Output Frequency 12.71 to 13.3 GHz, Input Power 8 to 10 dBm, Output Power 8 dBm, VSWR 2.00:1. Tags: Module with Connectors, Active. More details for MAX4M127134 can be seen below.