The AM2380-2520D1127 from Anatech Electronics is a RF Duplexer with Frequency 2360 to 2400 MHz / 2500 to 2540 MHz, Band 1 2360 to 2400 MHz, Band 2 2500 to 2540 MHz, Power 2 W, Insertion Loss 4 dB. Tags: Surface Mount, Ceramic. More details for AM2380-2520D1127 can be seen below.