The DP-R824851D-T869896D from AceWavetech is a RF Duplexer with Frequency 869 to 869 MHz(TX), 824 to 851 MHz(RX), Band 1 869 to 869 MHz(TX), Band 2 824 to 851 MHz(RX), Insertion Loss 0.8 dB, Isolation 65 dB. Tags: Module with Connectors. More details for DP-R824851D-T869896D can be seen below.