The DDP0810R827-872P015-015 from Zhejiang Jiakang Electronics is a RF Duplexer with Frequency 819.5 to 834.5 MHz / 864.5 to 879.5 MHz, Band 1 819.5 to 834.5 MHz, Band 2 864.5 to 879.5 MHz, Power 10 W, Insertion Loss 2.5 dB. Tags: PCB. More details for DDP0810R827-872P015-015 can be seen below.