The AM809-854D5395 from Anatech Electronics is a RF Duplexer with Frequency 806 to 812 MHz / 851 to 857 MHz, Band 1 806 to 812 MHz, Band 2 851 to 857 MHz, Power 2 W, Insertion Loss 2.5 dB. Tags: Surface Mount. More details for AM809-854D5395 can be seen below.