The DXC2155M90B50PS-01 from Dyne Tech is a Diplexer with Frequency f1 2.025 to 2.11 GHz, Frequency f2 2.2 to 2.4 GHz, Power 50 W, Attenuation 40 to 60 dB, Attenuation f1 40 dB. Tags: Module with Connectors. More details for DXC2155M90B50PS-01 can be seen below.