This HF reader enables a very fast and highly secure way of access control. The colour display secures the information flow by means of more detailed read event, e.g. dedicated messages and three 3 colour LEDs support this approach with clear status indications. The display enhances interactivity and data sharing with users, like showing system state, transaction status or event messages. Supporting MIFARE technology, brings highest security level, especially MIFARE DESFire.