The 213CX from ACST GmbH is a Frequency Multiplier with Input Frequency 88.33 to 100 GHz, Output Frequency 265 to 300 GHz, Input Power 160 to 700 mW, Output Power 20.7 dBm, Frequnecy 88.33 to 100 GHz. Tags: Waveguide, Passive, Waveguide Multiplier. More details for 213CX can be seen below.