The AD1882-1962D439 from Anatech Electronics is a RF Duplexer with Frequency 1850 to 1915 MHz / 1930 to 1995 MHz, Band 1 1850 to 1915 MHz, Band 2 1930 to 1995 MHz, Power 100 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for AD1882-1962D439 can be seen below.