The AD2675-2575D268 from Anatech Electronics is a RF Duplexer with Frequency 2670 to 2680 MHz / 2560 to 2590 MHz, Band 1 2670 to 2680 MHz, Band 2 2560 to 2590 MHz, Insertion Loss 1 dB, Isolation 80 dB. Tags: Module with Connectors. More details for AD2675-2575D268 can be seen below.