Space42, Viasat and Canadian satellite operator Terrestar Solutions have inked a memorandum of understanding to investigate methods for linking their satellite networks and enhancing worldwide direct-to-device (D2D) connectivity.
The agreement focuses on integrating Terrestar's forthcoming Canadian low-Earth orbit (LEO) satellite constellation, CaStar, with Equatys—a worldwide satellite infrastructure platform jointly developed by Space42 and Viasat.
The three companies aim to streamline interoperability across different satellite networks while preserving each operator's autonomy over its own systems. The collaboration seeks to broaden satellite coverage globally, drive down operational expenses and furnish mobile carriers with expanded connectivity options.
Under the proposed framework, participating networks would coordinate coverage and pool resources through adherence to widely adopted industry standards. The approach would also create pathways for additional satellite operators and mobile providers to integrate into the ecosystem.
The partners intend to leverage established industry standards, namely 3GPP and GSMA guidelines, to enable network interoperability without dependence on proprietary vendor technologies.
This MoU demonstrates how sovereign satellite systems and shared global infrastructure can work together to deliver D2D services globally. Terrestar maintains its position as Canada's independent MSS operator while exploring how to participate in a broader ecosystem. We are introducing a model where national capabilities and international collaboration reinforce rather than compete with one another.
Space42 Managing Director Karim Michel Sabbagh
By advancing a global, standards-based open architecture with an interoperability framework via a shared infrastructure model, we are continuing to expand an ecosystem that will be uniquely positioned to drive mass adoption within the significant D2D and next-generation MSS market. This collaboration with Terrestar underscores Equatys' innovative approach to offer a foundation for choice and interoperability and provide compelling economic benefits from geographic and spectral efficiencies to participating global, regional, and national space operators. Equatys is committed to working across the global space industry, as well as with the broader ecosystem including MNOs, OEMs, chipset vendors, regulators and standards bodies.
Viasat Chairman and CEO Mark Dankberg
The future of mobile satellite connectivity won't be built by countries or constellations acting alone. It will be built through open standards-based networks that combine national sovereignty with global reach, positioning us to compete at scale. While working hand-in-hand with the Canadian space ecosystem, CaStar is Canada's contribution to that future: Canadian-controlled, globally connected, and built to work with other mid-power countries like Canada. We look forward to helping build a truly global network together with our partners at Space42 and Viasat. Terrestar's ambition is to seamlessly integrate satellite and terrestrial mobile networks, bringing connectivity to everyday devices. Our goal is to make mobile satellite connectivity a reality for every Canadian, wherever they live, work, or travel around the world. This MoU is just the beginning.
Terrestar President and CEO Jacques Leduc
