The AE450-1550DB5165 from Anatech Electronics is a Diplexer with Frequency f1 DC to 900 MHz, Frequency f2 1100 to 2000 MHz, Attenuation 60 dB, Insertion loss 1 dB, Insertion loss f1 1 dB. Tags: Module with Connectors, Cavity. More details for AE450-1550DB5165 can be seen below.