The PowerWalker Mini NMC Card NG is a next-generation network management card offering fast Gigabit connectivity, a modern Linux-based platform, and an intuitive HTML5 web interface. Designed with security at its core, it features Secure Boot, encrypted firmware, hardware-based encryption, and a configurable firewall, meeting IEC 62443 cybersecurity standards. With support for SNMP v1/v2c/v3, Modbus TCP, SSH, REST API, and MQTTs for IoT integration, the Card provides powerful, future-ready monitoring and remote management for PowerWalker UPS systems.