The SNS JU Journal 2025 provides a comprehensive overview of the 79 research, innovation, and trial projects (out of 80) that form the core of the SNS JU’s portfolio. Backed by approximately €500 million in EU funding, these projects are pivotal to Europe’s goal of becoming a global leader in 6G technology, while also advancing the rollout of 5G. This portfolio reflects the strong commitment of European policymakers, industry stakeholders, and researchers to establishing a robust, competitive, and sustainable digital infrastructure.