Comparison of Door Readers Used in Access Control Systems

A door reader is an integral part of a door access control system. It is the interface between the person at the door and the rest of the access control system.
We have come a long way since the early magnetic stripe cards. The new door readers can read RFID card credentials, mobile phone credentials, and biometric credentials. Some of the door readers are combinations of a reader and a controller. This means that all the intelligence is built into the reader at the door. This reader-controller connects to the network.
This article provides a comparison of available door access control readers.
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