The DUP-1090-VE from Tamagawa Electronics Vietnam is a RF Duplexer with Frequency 824 to 849 MHz / 860 to 880 MHz, Band 1 824 to 849 MHz, Band 2 860 to 880 MHz, Power 80 W, Insertion Loss 0.8 to 1.3 dB. Tags: Module with Connectors. More details for DUP-1090-VE can be seen below.