The MAX3M172190 from Narda-MITEQ is a Frequency Multiplier with Input Frequency 5.74 to 6.33 GHz, Output Frequency 17.22 to 18.99 GHz, Input Power 13 dBm, Output Power 13 dBm, VSWR 1.50:1, 2.00:1. Tags: Module with Connectors, Active. More details for MAX3M172190 can be seen below.