The DP1624M0603AT from Frontier Electronics is a Diplexer with Frequency f1 1.574 to 1.577 GHz, Frequency f2 2.4 to 2.5 GHz, Attenuation 20 dB, Attenuation f1 20 dB, Attenuation f2 20 dB. Tags: Surface Mount. More details for DP1624M0603AT can be seen below.