The AM1232-1585D1118 from Anatech Electronics is a RF Duplexer with Frequency 1164 to 1300 MHz / 1559 to 1611 MHz, Band 1 1164 to 1300 MHz, Band 2 1559 to 1611 MHz, Power 3 W, Insertion Loss 2.2 dB. Tags: Surface Mount, Ceramic. More details for AM1232-1585D1118 can be seen below.