French Guiana's Digital Leap
EllaLink Launches 2,100-km Lum@link Cable Installation, Boosting French Guiana's European and Brazilian Connectivity
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Key Points
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Two branching units will enable future connectivity to the north of Brazil, with one serving São Luís (Maranhão) and the other Salinópolis (Pará).
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Leandro da Silva Costa, President of the State Information Technology Agency, and Anderson da Silva Serra, Director of Technological Infrastructure and Connectivity from ATI/MA, attended the visit and witnessed the loading of the branching units.
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Two branching units were loaded onto the Lum@link system to enable future connectivity to the north of Brazil.
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The Les Ulis headquarters hosted technology demonstrations as part of the visit, in addition to on-site activities at the Calais factory.
The cable ship CS Île d'Yeu has set sail from Calais, France, beginning the offshore installation of the Lum@link submarine cable — a 2,100-kilometer extension that will give French Guiana its first direct undersea connection to continental Europe, according to Business Insider Markets.
EllaLink and Alcatel Submarine Networks (ASN) are driving the project together under the SPLANG partnership. The cable will link Cayenne, the capital of French Guiana, to the existing EllaLink trunk system off Fortaleza, Brazil. The full system is on track to enter service by the end of 2026, Street Insider reported.
What the Lum@link Cable Will Actually Connect
Once live, Lum@link will give Cayenne direct optical connections to two key hubs: Sines in Portugal and Fortaleza in Brazil. That means data from French Guiana will no longer need to travel through third-party networks to reach Europe. It is a major upgrade for a territory that has long had limited digital infrastructure, according to Yahoo Finance.
The cable is an extension of the existing EllaLink system, which already links Europe to Brazil. Lum@link essentially plugs French Guiana into that existing backbone. The connection runs 2,100 kilometers from the EllaLink trunk off Fortaleza all the way up to Cayenne.
Two Branching Units Extend Reach Into Northern Brazil
The cable does not stop at French Guiana. Two branching units — devices that split a cable signal to reach extra locations — were loaded onto the system before it left Calais. One branch is aimed at São Luís in the state of Maranhão. The other targets Salinópolis in Pará, according to Business Insider Markets.
Officials from both Brazilian states attended the cable loading event in person. Leandro da Silva Costa, President of the State Information Technology Agency, and Anderson da Silva Serra, Director of Technological Infrastructure and Connectivity from ATI/MA, watched the branching units go aboard. The visits signal that regional governments in northern Brazil are actively planning for the connectivity boost the cable could bring.
International Financiers and Governments Witness the Milestone
The send-off was not a quiet affair. Delegations from SPLANG, the Government of Maranhão, and international lenders including the Inter-American Development Bank (IDB) and France's Agence Française de Développement (AFD) gathered at ASN's facilities in Les Ulis and Calais to mark the occasion, according to Street Insider.
ASN's Les Ulis headquarters hosted live technology demonstrations during the visit. The Calais factory, where the cable was loaded onto the CS Île d'Yeu, served as the operational centerpiece. The presence of major development banks signals that Lum@link carries weight well beyond a simple infrastructure project — it is backed by public financing tied to digital access goals for underserved Atlantic regions.
2026 Target Puts French Guiana on Europe's Digital Map
EllaLink says the full Lum@link system will be ready for service by the end of 2026. That timeline covers not just the main cable but the two northern Brazil branches as well. The project is part of a broader push to expand Atlantic subsea infrastructure and close digital gaps between South America, the Caribbean, and Europe, according to Yahoo Finance.
French Guiana is an overseas territory of France and part of the European Union. Yet it has historically lacked the fiber connections that mainland Europe takes for granted. A direct link to Sines — a major cable landing hub in Portugal — would change that picture significantly, putting Cayenne on the same high-speed optical grid as Lisbon or Paris.
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