L3 Box H

SINA L3 Box H – Secure VPN Connectivity for Classified Networks

The SINA L3 Box H is a compact, highly secure VPN gateway designed to protect sensitive communications in government agencies, the military, and critical infrastructure. Certified for the German classification levels “SECRET,” “TOP SECRET,” “NATO SECRET,” and “EU SECRET,” it is the only approved security solution that combines these highest security levels with post-quantum cryptography.

Built on IPsec-based encryption and the proprietary SINA CORE cryptographic module, the system ensures secure data transmission over public and private networks. Advanced security features such as smart card authentication, boot integrity protection, and centralized key management provide comprehensive protection against modern cyber threats.

With throughput options of up to 900 Mbit/s, support for high-availability architectures, and flexible deployment options, the SINA L3 Box H offers both performance and reliability. Centralized management via the SINA Management System simplifies operation, software updates, and certificate management, making it an ideal solution for secure remote access, cross-site connectivity, and business-critical communications.