The AM1767-1862D1013 from Anatech Electronics is a RF Duplexer with Frequency 1749.9 to 1784.9 MHz / 1844.9 to 1879.9 MHz, Band 1 1749.9 to 1784.9 MHz, Band 2 1844.9 to 1879.9 MHz, Power 3 W, Insertion Loss 1.8 dB. Tags: Surface Mount, Ceramic. More details for AM1767-1862D1013 can be seen below.