The 215AX from ACST GmbH is a Frequency Multiplier with Input Frequency 140 to 155 GHz, Output Frequency 420 to 465 GHz, Input Power 80 to 300 mW, Output Power 13.97 dBm, Frequnecy 140 to 155 GHz. Tags: Waveguide, Waveguide Multiplier. More details for 215AX can be seen below.