The MAX3J045050 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 1.5 to 1.67 GHz, Output Frequency 4.5 to 5 GHz, Input Power 3 to 8 dBm, Output Power 6 dBm, Conversion Loss 3 dB. Tags: Module with Connectors, Active. More details for MAX3J045050 can be seen below.