The WSD-01255 from K&L Microwave is a Diplexer with Frequency f1 DC to 4.5 GHz, Frequency f2 6 to 16 GHz, Power 50 to 125 W, Peak Power 500 W, Attenuation -90 to -80 dB. Tags: Module with Connectors, Cavity. More details for WSD-01255 can be seen below.