The PE8DP1003 from Pasternack Enterprises Inc is a Diplexer with Frequency f1 5 to 1450 MHz, Frequency f2 1.55 to 2.3 GHz, Attenuation 25 to 30 dB, Attenuation f1 25 to 30 dB @ 1.55 to 2300 GHz, Attenuation f2 25 to 30 dB @5 to 1450 MHz. Tags: Module with Connectors. More details for PE8DP1003 can be seen below.