The DP-R25002570D-T26202690D from AceWavetech is a RF Duplexer with Frequency 2620 to 2690 MHz(TX), 2500 to 2570 MHz(RX), Band 1 2620 to 2690 MHz(TX), Band 2 2500 to 2570 MHz(RX), Insertion Loss 0.8 dB, Isolation 65 dB. Tags: Module with Connectors. More details for DP-R25002570D-T26202690D can be seen below.