The AD815-860D349 from Anatech Electronics is a RF Duplexer with Frequency 806 to 824 MHz / 851 to 869 MHz, Band 1 806 to 824 MHz, Band 2 851 to 869 MHz, Power 20 W, Insertion Loss 1.1 dB. Tags: Module with Connectors. More details for AD815-860D349 can be seen below.