The SFP-152KF-S2 from ERAVANT is a Frequency Multiplier with Input Frequency 25 to 37.5 GHz, Output Frequency 50 to 75 GHz, Input Power 17 dBm, Harmonics 20 dB, Frequnecy 25 to 37.5 GHz. Tags: Module with Connectors, Waveguide, Passive, Waveguide Multiplier. More details for SFP-152KF-S2 can be seen below.