The AM800D609 from Anatech Electronics is a RF Duplexer with Frequency 824 to 849 MHz / 869 to 894 MHz, Band 1 824 to 849 MHz, Band 2 869 to 894 MHz, Power 5 W, Insertion Loss 2.5 dB. Tags: Surface Mount. More details for AM800D609 can be seen below.