The DDP0410R836-881P025-025 from Zhejiang Jiakang Electronics is a RF Duplexer with Frequency 823.5 to 848.5 MHz / 868.5 to 893.5 MHz, Band 1 823.5 to 848.5 MHz, Band 2 868.5 to 893.5 MHz, Power 5 W, Insertion Loss 4 dB. Tags: PCB. More details for DDP0410R836-881P025-025 can be seen below.