The SFP-243423303-28SF-S1 from ERAVANT is a Frequency Multiplier with Input Frequency 8 to 14 GHz, Output Frequency 24 to 42 GHz, Input Power 20 dBm, Harmonics -20 dB, Frequnecy 8 to 14 GHz. Tags: Module with Connectors, Waveguide, Passive, Waveguide Multiplier. More details for SFP-243423303-28SF-S1 can be seen below.