The U5929 from Mercury Systems is a Diplexer with Frequency f1 243 to 270.5 MHz, Frequency f2 292.5 to 894 MHz, Power 0.1 to 400 W, Peak Power 800 W, Attenuation 20 to 100 dB. Tags: Module with Connectors, Cavity. More details for U5929 can be seen below.