The AM806-847D1073 from Anatech Electronics is a RF Duplexer with Frequency 791 to 821 MHz / 832 to 862 MHz, Band 1 791 to 821 MHz, Band 2 832 to 862 MHz, Power 2 W, Insertion Loss 4.5 dB. Tags: Surface Mount, Ceramic. More details for AM806-847D1073 can be seen below.