The MAX5J085090 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 1.7 to 1.8 GHz, Output Frequency 8.5 to 9 GHz, Input Power 3 to 8 dBm, Output Power 6 dBm, Conversion Loss 3 dB. Tags: Module with Connectors, Active. More details for MAX5J085090 can be seen below.