The DP-R880915W-T925960W from AceWavetech is a RF Duplexer with Frequency 925 to 960 MHz(TX), 880 to 915 MHz(RX), Band 1 925 to 960 MHz(TX), Band 2 880 to 915 MHz(RX), Insertion Loss 0.8 dB, Isolation 100 dB. Tags: Module with Connectors. More details for DP-R880915W-T925960W can be seen below.