The QUD-1020-VEVH from Tamagawa Electronics Vietnam is a RF Duplexer with Frequency 930 to 960 MHz, 1805 to 1880 MHz / 885 to 915 MHz, 1710 to 1785 MHz, Band 1 930 to 960 MHz, 1805 to 1880 MHz, Band 2 885 to 915 MHz, 1710 to 1785 MHz, Power 1 to 40 W, Insertion Loss 1 to 1.8 dB. Tags: Module with Connectors. More details for QUD-1020-VEVH can be seen below.