The X5908 from Mercury Systems is a Diplexer with Frequency f1 6 to 7.2 GHz, Frequency f2 9.9 to 10.3 GHz, Attenuation 40 to 90 dB, Attenuation f1 40 to 50 dB, Attenuation f2 40 to 90 dB. Tags: Module with Connectors, Cavity. More details for X5908 can be seen below.