The DPX255950DT-5120A1 from TDK is a Diplexer with Frequency f1 2.4 to 2.5 GHz, Frequency f2 4.9 to 5.95 GHz, Attenuation 10 to 39.3 dB, Attenuation f1 10 to 20.1 dB, Attenuation f2 15 to 39.3 dB. Tags: Surface Mount. More details for DPX255950DT-5120A1 can be seen below.