The AM2510-2680D1104 from Anatech Electronics is a RF Duplexer with Frequency 2.5 to 2.52 GHz / 2.67 to 2.69 GHz, Band 1 2500 to 2520 MHz, Band 2 2670 to 2690 MHz, Power 3 W, Insertion Loss 2 dB. Tags: Surface Mount, Ceramic. More details for AM2510-2680D1104 can be seen below.