The FMA-298T from Metropole Products Inc. is a Diplexer with Frequency f1 2 to 174 MHz, Frequency f2 225 to 1950 MHz, Power 50 to 1260 W, Peak Power 1200 W, Attenuation 30 to 80 dB. Tags: Module with Connectors, Cavity. More details for FMA-298T can be seen below.