The AM707-781D1066 from Anatech Electronics is a RF Duplexer with Frequency 698 to 716 MHz / 776 to 787 MHz, Band 1 698 to 716 MHz, Band 2 776 to 787 MHz, Power 5 W, Insertion Loss 3 dB. Tags: Surface Mount, Ceramic. More details for AM707-781D1066 can be seen below.