Expand your system’s capabilities with Extended Cards from sentinet.gr, designed for professionals who need reliable performance, seamless connectivity, and hardware flexibility. These high-quality cards provide additional ports, interfaces, and functions for servers, PBXs, and communication systems — allowing you to enhance data throughput, extend ISDN/VoIP capacity, or add new functionalities without replacing existing equipment.

Ideal for IT administrators, telecom integrators, and enterprise setups, our extended cards ensure stability, compatibility, and easy installation across a wide range of devices. Each card undergoes rigorous testing to guarantee long-term performance and compliance with the latest communication standards.

At sentinet.gr, you’ll find BRI/PRI interface cards, network adapters, and PCIe expansion modules built to power your business infrastructure with confidence and precision.