The DP1624P1008AT from Frontier Electronics is a Diplexer with Frequency f1 1.57 to 1.58 GHz, Frequency f2 2.4 to 2.5 GHz, Attenuation 10 to 42 dB, Attenuation f1 10 dB, Attenuation f2 20 to 42 dB. Tags: Surface Mount. More details for DP1624P1008AT can be seen below.