The AE892-1850D478 from Anatech Electronics is a RF Duplexer with Frequency 824 to 960 MHz (Rx) / 1710 to 1990 MHz (Tx), Band 1 824 to 960 MHz (Rx), Band 2 1710 to 1990 MHz (Tx), Power 20 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for AE892-1850D478 can be seen below.