The DDP0810R830-875P010-010 from Zhejiang Jiakang Electronics is a RF Duplexer with Frequency 825 to 835 MHz / 870 to 880 MHz, Band 1 825 to 835 MHz, Band 2 870 to 880 MHz, Power 10 W, Insertion Loss 2.5 dB. Tags: PCB. More details for DDP0810R830-875P010-010 can be seen below.