The 213AY from ACST GmbH is a Frequency Multiplier with Input Frequency 100 to 117.5 GHz, Output Frequency 200 to 235 GHz, Input Power 300 to 1200 mW, Output Power 24.7 dBm, Frequnecy 100 to 117.5 GHz. Tags: Waveguide, Waveguide Multiplier. More details for 213AY can be seen below.