The AE15-455DB5172 from Anatech Electronics is a Diplexer with Frequency f1 DC to 30 MHz, Frequency f2 50 to 860 MHz, Attenuation 50 dB, Attenuation f1 50 dB, Attenuation f2 50 dB. Tags: Module with Connectors, Lumped Component. More details for AE15-455DB5172 can be seen below.