The DFP-102M from Metropole Products Inc. is a Diplexer with Frequency f1 243 to 270 MHz, Frequency f2 291 to 318.3 MHz, Power 0.125 W, Attenuation 40 to 85 dB, Attenuation f1 40 to 85 dB. Tags: Module with Connectors, Cavity. More details for DFP-102M can be seen below.