The AM814-860D260 from Anatech Electronics is a RF Duplexer with Frequency 804 to 824 MHz / 850 to 870 MHz, Band 1 804 to 824 MHz, Band 2 850 to 870 MHz, Power 5 W, Insertion Loss 2.5 dB. Tags: Surface Mount, Ceramic. More details for AM814-860D260 can be seen below.