The W-4X from Spacek Labs is a Frequency Multiplier with Input Frequency 23 to 24 GHz, Output Frequency 92 to 96 GHz, Input Power 15 dBm, Conversion Loss 20 dB, Frequnecy 23 to 24 GHz. Tags: Module with Connectors, Waveguide, Passive. More details for W-4X can be seen below.