Nonetheless, there are still a few concerns regarding this move toward digital technology – what are its advantages over analog closed-circuit television (CCTV), how difficult is it to install and maintain, and how can companies cost-effectively migrate f
Nonetheless, there are still a few concerns regarding this move toward digital technology – what are its advantages over analog closed-circuit television (CCTV), how difficult is it to install and maintain, and how can companies cost-effectively migrate f
然而，向数字技术转变中有些需要考虑的东西---它本身和传统安防系统的优势，安装和维护的困难度，安防企业在转变过程中如何有效的进行集成。