The AM1538-1650D1194 from Anatech Electronics is a RF Duplexer with Frequency 1518 to 1559 MHz / 1625 to 1675 MHz, Band 1 1518 to 1559 MHz, Band 2 1625 to 1675 MHz, Power 10 W, Insertion Loss 1 dB. Tags: Surface Mount, Ceramic. More details for AM1538-1650D1194 can be seen below.