The CMIBFNF-4400-5000 from Quantic Corry is a Diplexer with Frequency f1 4.4 to 5 GHz, Frequency f2 2 to 4.4 / 5 to 8 GHz, Power 1 W, Attenuation 40 to 55 dB, Attenuation f1 55 dB @ DC to 3900 MHz, 55 dB @ 5500 to 8000 MHz. Tags: Module with Connectors, Cavity. More details for CMIBFNF-4400-5000 can be seen below.