The DPX165950DT-8018A1 from TDK is a Diplexer with Frequency f1 2.4 to 2.5 GHz, Frequency f2 4.9 to 5.95 GHz, Attenuation 20 to 32.1 dB, Attenuation f1 20 to 26.4 dB, Attenuation f2 20 to 32.1 dB. Tags: Surface Mount. More details for DPX165950DT-8018A1 can be seen below.