how to select good bnc conector for dvr instalation.
i had faced bnc lose conection problem in many sites.
please sugest me any method or any idea to solve this
in big projects, i had seen static electricity is main problem when we conect hdmi extender to dvr for monitoring and also i had seen in ip camera and nvr system the network port will go hang in state after working long time how to sole this problem.