An electronic assess control system is a replacement and improvement of conventional mecanical door locks with mecanical keys. The locks are replaced by readers and the keys by so called badges. An electronic assess control system is a replacement and improvement of conventional mecanical door locks with mecanical keys. The locks are replaced by readers and the keys by so called badges. An electronic assess control system is a replacement and improvement of conventional mecanical door locks with mecanical keys. The locks are replaced by readers and the keys by so called badges.