The WSD-00747-X from K&L Microwave is a Diplexer with Frequency f1 DC to 2.7 GHz, Frequency f2 4 to 13 GHz, Power 100 to 200 W, Attenuation -90 to -50 dB, Attenuation f1 -90 dB. Tags: Module with Connectors, Cavity. More details for WSD-00747-X can be seen below.