The AM902-947D294 from Anatech Electronics is a RF Duplexer with Frequency 890 to 915 MHz / 935 to 960 MHz, Band 1 890 to 915 MHz, Band 2 935 to 960 MHz, Power 5 W, Insertion Loss 2 dB. Tags: Surface Mount, Ceramic. More details for AM902-947D294 can be seen below.