The AD754-785D406 from Anatech Electronics is a RF Duplexer with Frequency 746 to 763 MHz (Rx) / 777 to 793 MHz (Tx), Band 1 746 to 763 MHz (Rx), Band 2 777 to 793 MHz (Tx), Power 50 W, Insertion Loss 0.5 dB. Tags: Module with Connectors. More details for AD754-785D406 can be seen below.