The AD892-1850D227 from Anatech Electronics is a RF Duplexer with Frequency 824 to 960 MHz / 1.71 to 1.99 GHz, Band 1 824 to 960 MHz, Band 2 1.71 to 1.99 GHz, Power 100 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for AD892-1850D227 can be seen below.