The D1554371 from Microwave Circuits is a Diplexer with Frequency f1 136 to 174 MHz, Frequency f2 403 to 470 MHz, Peak Power 50 W, Attenuation 60 dBc, Attenuation f1 60 dBc. Tags: Module with Connectors, Lumped Component. More details for D1554371 can be seen below.