Don't allow yourself to be driven batty by access control systems out of fear of not understanding how to get started. You have been given plenty of helpful hints and what matters now is that you make a definite decision that the issue actually deserves your full attention. Your initial steps are the most difficult to figure out but information is only beneficial if you actually apply it. Yet another thing that you must think about is making use of all of the information that my site has to offer to you.
Reputable Tensor smart cards and readers may become the centrepiece of a solid and safe access control system