The AD1543-1643D282 from Anatech Electronics is a RF Duplexer with Frequency 1526 to 1560 MHz / 1625 to 1662 MHz, Band 1 1526 to 1560 MHz, Band 2 1625 to 1662 MHz, Power 30 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for AD1543-1643D282 can be seen below.