The Access Easy Controller 2.1 (AEC2.1) is an advanced IP-based access control system that combines a web server, CCTV integration, and a security system, allowing users to manage access remotely via a web browser. It supports up to 20,480 cardholders, provides various access modes, and includes features like alarm monitoring, time schedules, and customizable multi-functional card assignments. The system is designed for easy installation and operation while ensuring high levels of security through encrypted user credentials and anti-passback capabilities.