
The South Korean military required a solution to enhance its network operations and improve combat efficiency through a robust satellite communication system. The primary challenge was to install optical link modules and extend cabling to ensure seamless and reliable connectivity across various operational environments.
Reliable and secure communications are essential in modern defence operations, enabling efficient coordination, real-time data exchange, and improved situational awareness. Given the complexity of these environments, the solution needed to be highly adaptable, durable, and capable of maintaining stable performance in extreme conditions.
Why ETL Systems?
ETL Systems was selected for this critical project due to its comprehensive support throughout the entire process. By working closely with strategic South Korea-based partner NewEdge, ETL provided:
- A fully operational demo system to evidence capabilities and ensure compliance with extensive performance specifications.
- Extensive test evaluation to guarantee performance, resilience, and reliability in diverse operational conditions.
- A cost-effective solution that met the stringent contract requirements while offering long-term scalability and durability.
- Advanced technology designed to seamlessly integrate with existing infrastructure, minimising disruption and maximising operational efficiency.

Reliable & Resilient Connectivity
ETL Systems supplied a suite of advanced satellite communication products tailored to withstand the challenges of defence operations. This included:
StingRay VSAT Outdoor Unit (ODU): A weatherproof enclosure ensuring uninterrupted L-band satellite signal transmission with redundant 24V DC power and Ethernet remote management. The unit is designed to provide reliable operation in harsh environments, supporting mission-critical applications.
StingRay VSAT Indoor Unit (IDU): A 1U 19” rack-mounted chassis providing seamless L-band signal processing with redundant universal AC power. This ensures continuous operation and flexibility in deployment scenarios.
Optical Fibre Connectivity: High-quality ruggedised optical connectors and fibre cable assemblies to extend communication reach and resilience, reducing signal loss and increasing overall network efficiency.

Results & Impact
The integration of ETL’s technology has enabled the South Korean military to achieve:
Seamless Connectivity: Reliable satellite communications across different operational environments, ensuring mission readiness and continuous information flow.
Improved Combat Efficiency: Faster and more secure data transmission to support strategic decision-making, enhancing overall command and control capabilities.
Future-Proof Scalability: A robust system capable of adapting to evolving military requirements, allowing for integration with future upgrades and advancements.
Reduced Downtime: Increased system reliability and resilience, minimising maintenance requirements and ensuring uninterrupted operations.
Through its collaboration with NewEdge, ETL Systems successfully delivered a high-performance, cost-effective satellite communication solution to the end user. The project underscores ETL’s commitment to providing cutting-edge technology for mission-critical applications in defence and security. As operations continue to evolve, ETL remains dedicated to innovation, ensuring that its solutions meet the ever-changing demands of the modern battlefield.
For further details on this project, read our initial announcement: ETL Systems Wins $2 Million Order in Asia.