The DP1624K0603BT from Frontier Electronics is a Diplexer with Frequency f1 1.57 to 1.61 GHz, Frequency f2 2.4 to 5.9 GHz, Attenuation 20 dB, Attenuation f1 20 dB, Attenuation f2 20 dB. Tags: Surface Mount. More details for DP1624K0603BT can be seen below.