The QUD-1018-VEVH from Tamagawa Electronics Vietnam is a RF Duplexer with Frequency 860 to 880 MHz, 1805 to 1880 MHz / 824 to 849 MHz, 1710 to 1785 MHz, Band 1 860 to 880 MHz, 1805 to 1880 MHz, Band 2 824 to 849 MHz, 1710 to 1785 MHz, Power 1 to 40 W, Insertion Loss 1 to 1.6 dB. Tags: Module with Connectors. More details for QUD-1018-VEVH can be seen below.