The DPX252690DT-5031A1 from TDK is a Diplexer with Frequency f1 698 to 960 MHz, Frequency f2 1.71 to 2.69 GHz, Attenuation 4 to 48 dB, Attenuation f1 4 to 48 dB, Attenuation f2 4 to 48 dB. Tags: Surface Mount. More details for DPX252690DT-5031A1 can be seen below.