The MAX3J043052 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 1.43 to 1.73 GHz, Output Frequency 4.3 to 5.2 GHz, Input Power 3 to 8 dBm, Output Power 6 dBm, Conversion Loss 3 dB. Tags: Module with Connectors, Active. More details for MAX3J043052 can be seen below.