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(HI3518C and 3518E share hardware and software solutions, including schematics PCB and so on. hi3518 / 3516 IPC program development information. TI 365/368 IPC program development information DVR / NVR HI3515 / 3521/3531 program development information, this information is mass production of commercial information wants to be free to obtain some of the information considered to be more valuable, please take your security related information exchange.)