[specifications] [/specifications]AXIS A4020-E Reader is designed to perfectly match Axis network door controllers and Axis credentials, Ideal for use in harsh environments both indoors and outdoors, it features a mullion-mount design to fit perfectly in narrow spaces and door frame installations. It supports most types of smart RFID card standards with 13.56MHz credential technologies and includes out-of-the-box support for Open Supervised Device Protocol (OSDP). Packed with built-in cybersecurity features, it helps prevent unauthorized access and safeguards your system. Furthermore, this smart reader supports Secure Channel Protocol (SCP) enabling secure communications and connections.