The AM815-860D813 from Anatech Electronics is a RF Duplexer with Frequency 806 to 824 MHz / 851 to 869 MHz, Band 1 806 to 824 MHz, Band 2 851 to 869 MHz, Power 3 W, Insertion Loss 2.5 dB. Tags: Surface Mount, Ceramic. More details for AM815-860D813 can be seen below.