The DPX252690DT-5042B2 from TDK is a Diplexer with Frequency f1 699 to 960 MHz, Frequency f2 1.427 to 2.69 GHz, Attenuation 8 to 39 dB, Attenuation f1 20 to 39 dB, Attenuation f2 8 to 39 dB. Tags: Surface Mount. More details for DPX252690DT-5042B2 can be seen below.