In today’s interconnected world, securing sensitive data is paramount, especially for government agencies and military operations. The Viasat KG-250X/KG-250X-FC stands out as a compact, rugged, and flexible solution designed to meet the demanding requirements of high-security communications. In this blog post, we’ll delve into the features and capabilities of these innovative network encryptors and explore how they’re redefining secure communication in tactical and mobile environments.

Compact, Rugged, and Flexible Design

Weighing just 2.9 lbs and measuring at 4.46 x 1.54 x 8.49 inches, the KG-250X/KG-250X-FC boasts a low Size, Weight, and Power (SWaP) profile, making it ideal for deployment in space-constrained environments. Built to withstand harsh conditions, these encryptors are MIL-STD-810G rugged and MIL-STD-461 EMC compliant, ensuring reliability in the field. Additionally, with support for both copper and fiber/copper interfaces, the KG-250X-FC offers unparalleled flexibility, enabling users to adapt to various networking requirements seamlessly.

Enhanced Networking Capabilities

The Viasat KG-250X/KG-250X-FC goes beyond basic encryption with its advanced networking features. From VLAN/Ethernet tunneling to embedded OSPF and PIM routing, these encryptors optimize network performance and efficiency. The inclusion of multicast video on demand and a TCP/IP accelerator further enhances data transmission over high-latency links, ensuring seamless communication even in challenging environments. Moreover, with software upgradability, these devices can evolve to meet future cybersecurity requirements, providing long-term investment protection.

Suite Agile and HAIPE IS Compliant

As Type 1 Inline Network Encryptors (INE) certified by the National Security Agency, the KG-250X/KG-250X-FC adhere to the highest security standards. They offer packet-by-packet suite agility and support for Suite A and/or Suite B encryption, ensuring compatibility with existing infrastructure. Additionally, with HAIPE-to-HAIPE over-the-air/net keying, users can remotely rekey networks securely, enhancing operational flexibility.

Crypto-Modernization Centric

With programmable encryption and key/agility per packet, the KG-250X/KG-250X-FC stay ahead of evolving threats. These encryptors support both Classified and Unclassified Device Generated Shared Key (CDGSK/DGSK) and centralized key distribution, ensuring robust cryptographic protection. Moreover, their usability by coalition allies and Department of Homeland Security underscores their interoperability and broader security applications.

Support and Reliability

Viasat stands behind its products with a comprehensive support package, including a 3-year warranty, free training, and 24/7 technical assistance. Furthermore, the INE trade-in program enables seamless upgrades, ensuring users always have access to the latest technology. With a predicted Mean Time Between Failure (MTBF) of 350,000 hours and rapid maintenance capabilities, the KG-250X/KG-250X-FC deliver reliable performance in mission-critical scenarios.


In summary, the Viasat KG-250X/KG-250X-FC represents a paradigm shift in secure network communication. By combining advanced encryption with enhanced networking capabilities, rugged design, and comprehensive support, these encryptors empower users to safeguard sensitive data in the most demanding environments. Whether deployed in tactical operations or mobile deployments, the KG-250X/KG-250X-FC ensures confidentiality, integrity, and availability of critical information, enabling mission success in today’s dynamic threat landscape.


An amateur radio operator, military veteran, jack of all trades and master of none.

Leave a Reply

Your email address will not be published. Required fields are marked *