The DP-R890915D-T935960D from AceWavetech is a RF Duplexer with Frequency 935 to 960 MHz(TX), 890 to 915 MHz(RX), Band 1 935 to 960 MHz(TX), Band 2 890 to 915 MHz(RX), Insertion Loss 0.8 dB, Isolation 65 dB. Tags: Module with Connectors. More details for DP-R890915D-T935960D can be seen below.