The C5914 from Mercury Systems is a Diplexer with Frequency f1 3.7 to 4.2 GHz, Frequency f2 5.925 to 6.43 GHz, Attenuation 50 dB, Attenuation f1 50 dB, Attenuation f2 50 dB. Tags: Module with Connectors, Cavity. More details for C5914 can be seen below.