The AE200-575DB5176 from Anatech Electronics is a RF Duplexer with Frequency DC to 400 MHz / 500 to 650 MHz, Band 1 DC to 400 MHz, Band 2 500 to 650 MHz, Insertion Loss 1 dB, Attenuation 30 dB. Tags: Module with Connectors. More details for AE200-575DB5176 can be seen below.