The AE831-876DB5475 from Anatech Electronics is a RF Duplexer with Frequency 814 to 849 MHz (Rx) / 859 to 894 MHz (Tx), Band 1 814 to 849 MHz (Rx), Band 2 859 to 894 MHz (Tx), Power 50 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for AE831-876DB5475 can be seen below.