The AM1230-1565D1012 from Anatech Electronics is a RF Duplexer with Frequency 1170 to 1290 MHz / 1515 to 1615 MHz, Band 1 1170 to 1290 MHz, Band 2 1515 to 1615 MHz, Power 3 W, Insertion Loss 2 dB. Tags: Surface Mount, Ceramic. More details for AM1230-1565D1012 can be seen below.