NQX provides quantum-safe data transmission security between networks, data centers, and industrial environments, supporting post-quantum cryptography algorithms like FrodoKEM and Kyber for quantum-safe key exchange and hybrid encryption. Operating at both data link and network layers, it delivers high-speed encrypted data transmission with features including crypto-agile design, Perfect Forward Secrecy, and IKEv2 DoS protection. The solution incorporates IPv4/IPv6 support, high-performance packet processing, and flexible branch connectivity with various hardware deployment options.