Telesat, a Canadian satellite communications company, is developing the Telesat Lightspeed Low Earth Orbit (LEO) network to provide enterprise-grade broadband connectivity for telecommunications providers, governments, aviation operators, maritime users and enterprise customers. The network is designed to extend high-performance communications beyond the reach of traditional terrestrial infrastructure while delivering the reliability and operational flexibility required for mission-critical applications.

A key differentiator of the Lightspeed architecture is its focus on enterprise and government connectivity rather than direct-to-consumer broadband services. According to Telesat, the network supports both Ka-band and Mil-Ka services, enabling secure and resilient communications for commercial, civil and defense users operating across diverse environments.

The network is engineered to integrate seamlessly with existing telecommunications infrastructure through MEF 3.0 Carrier Ethernet certification and support for MEF Lifecycle Service Orchestration (LSO) APIs. This allows service providers to incorporate satellite connectivity into established network architectures using familiar operational frameworks, helping extend coverage to remote, underserved, and geographically challenging regions.

Telesat Lightspeed is also designed around telecom-grade performance standards, with service level agreements covering key network metrics such as availability, latency, jitter, packet loss, and committed information rates. This approach enables satellite connectivity to support applications that require predictable and reliable network performance, including enterprise networking, cellular backhaul, government communications and critical infrastructure connectivity. The network supports a broad range of operational use cases across aviation, maritime, telecommunications, enterprise and government sectors. By combining low-latency LEO connectivity with carrier-grade networking capabilities, Telesat aims to provide customers with a flexible communications platform capable of supporting both regional and global connectivity requirements.

A key objective of the Lightspeed program is to bridge the gap between terrestrial and satellite communications through a fully integrated networking environment. By leveraging industry-standard interfaces, enterprise-focused service models, and high-performance LEO connectivity, Telesat is building a next-generation communications infrastructure designed to support the evolving needs of global network operators and mission-critical users.

About Telesat

Telesat is a Canadian satellite operator headquartered in Ottawa, Ontario, with decades of experience delivering satellite communications services worldwide. The company provides connectivity solutions for telecommunications providers, government organizations, aviation operators, maritime customers and enterprise users. Through the geostationary satellite fleet and the Telesat Lightspeed LEO network, Telesat is focused on delivering secure, resilient and high-performance communications infrastructure that integrates seamlessly with modern terrestrial networks.

Click here to learn more about Telesat's LEO Satellites