The QUD-1022-VHUE from Tamagawa Electronics Vietnam is a RF Duplexer with Frequency 1805 to 1880 MHz, 2100 to 2170 MHz / 1710 to 1785 MHz, 1920 to 1980 MHz, Band 1 1805 to 1880 MHz, 2100 to 2170 MHz, Band 2 1710 to 1785 MHz, 1920 to 1980 MHz, Power 1 to 40 W, Insertion Loss 0.5 to 1 dB. Tags: Module with Connectors. More details for QUD-1022-VHUE can be seen below.