Organization of ACS in the organization, where to start?

Question

Physical access control

It is required to organize an ACS (access control and management system) in the organization.
Who can tell the possible options for an rfid card reader and controller. What cards are best to use? How to write data to the map? The controller must have its own api and the ability to connect to a computer so that you can read statistics or offer another option to collect card identification data in the database with reference to the user.

Answer 1

no one will write on the ball
usually the problem is in the software
choose from the sellers who have soft free or independent - and do that