The AM829-874D1036 from Anatech Electronics is a RF Duplexer with Frequency 824 to 835 MHz / 869 to 880 MHz, Band 1 824 to 835 MHz, Band 2 869 to 880 MHz, Power 5 W, Insertion Loss 2 dB. Tags: Surface Mount, Ceramic. More details for AM829-874D1036 can be seen below.