The DP-R14561480D-T14881520D from AceWavetech is a RF Duplexer with Frequency 1488 to 1520 MHz(TX), 1456 to 1480 MHz(RX), Band 1 1488 to 1520 MHz(TX), Band 2 1456 to 1480 MHz(RX), Insertion Loss 0.8 dB, Isolation 65 dB. Tags: Module with Connectors. More details for DP-R14561480D-T14881520D can be seen below.