The DXB from WiRan is a Space Qualified RF Diplexer with Frequency f1 8.35 to 8.5 GHz, Frequency f2 7.145 to 7.235 GHz, Power 15 W, Insertion loss 0.75 to 1 dB, Insertion loss f1 0.75 to 1 dB. Tags: Module with Connectors. More details for DXB can be seen below.