The A425-4XW-25 from Spacek Labs is a Frequency Multiplier with Input Frequency 10 to 11.25 GHz, Output Frequency 40 to 45 GHz, Input Power 17 dBm, Output Power 25 to 29 dBm, Frequnecy 10 to 11.25 GHz. Tags: Active. More details for A425-4XW-25 can be seen below.