The DP-R19101990P-T21102390P from AceWavetech is a RF Duplexer with Frequency 2110 to 2390 MHz(TX), 1910 to 1990 MHz(RX), Band 1 2110 to 2390 MHz(TX), Band 2 1910 to 1990 MHz(RX), Power 600 W, Insertion Loss 1.3 dB. More details for DP-R19101990P-T21102390P can be seen below.