The DPX162500DT-8128A1 from TDK is a Diplexer with Frequency f1 1.572 to 1.578 GHz, Frequency f2 2.4 to 2.5 GHz, Power 3 W, Attenuation 13 to 36.6 dB, Attenuation f1 13 to 24.4 dB. Tags: Surface Mount. More details for DPX162500DT-8128A1 can be seen below.