The 217EX from ACST GmbH is a Frequency Multiplier with Input Frequency 23.33 to 36.66 GHz, Output Frequency 70 to 110 GHz, Input Power 40 to 1200 mW, Output Power 20.7 dBm, Frequnecy 23.33 to 36.66 GHz. Tags: Waveguide, Waveguide Multiplier. More details for 217EX can be seen below.