The CMIBFNF-3.3-4.2G from Quantic Corry is a Diplexer with Frequency f1 3300 to 4200 MHz, Frequency f2 3300 to 4200 MHz, Power 1 W, Attenuation 40 to 55 dB, Attenuation f1 55 dB @ DC to 2700 MHz, 55 dB @ 5100 to 8000 MHz. Tags: Module with Connectors, Cavity. More details for CMIBFNF-3.3-4.2G can be seen below.