The AD836-881/1880-1960D230 from Anatech Electronics is a RF Duplexer with Frequency 824 to 849 MHz (AMPS), 1850 to 1910MHz (PCS) / 869 to 894 MHz (AMPS), 1930 to 1990 MHz (PCS), Band 1 824 to 849 MHz (AMPS), 1850 to 1910MHz (PCS), Band 2 869 to 894 MHz (AMPS), 1930 to 1990 MHz (PCS), Power 100 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for AD836-881/1880-1960D230 can be seen below.