The SG-T-2535-2655_S from A-Info is a RF Duplexer with Frequency 2.5 to 2.69 GHz, Band 1 2.5 to 2.57 GHz, Band 2 2.62 to 2.69 GHz, Insertion Loss 1.5 dB, Isolation 60 dB. Tags: Module with Connectors. More details for SG-T-2535-2655_S can be seen below.