This Coordination and Support Action (CSA) aims to align stakeholders for a large-scale pilot developing end-to-end infrastructures integrating device, network computing, and communication capabilities. It targets a consortium of diverse legal entities, including businesses (software, hardware, telcos, AI, cloud providers, middleware stack providers), research organizations, and other key stakeholders, operating at a scale capable of coordinating a large-scale pilot. This is a SECTOR-SPECIFIC grant. The geographic scope includes European Union Member States, Iceland, Norway, and associated countries. Key filtering criteria are: must be a consortium, focus on digital infrastructure/telecom/data economy, capable of large-scale coordination, and legally established in eligible countries with no non-eligible country control. This grant is part of Horizon Europe (2021-2027), specifically the 'Digital, Industry and Space' Work Programme for 2025, Destination 3.