The AE710-737DB5474 from Anatech Electronics is a RF Duplexer with Frequency 698 to 722 MHz / 728 to 746 MHz, Band 1 698 to 722 MHz, Band 2 728 to 746 MHz, Power 50 W, Insertion Loss 1.2 dB. Tags: Module with Connectors. More details for AE710-737DB5474 can be seen below.