Sure to boost Guernsey network capacity to 300Gbps with subsea upgrade


Sure Group has announced a multimillion-pound investment plan to futureproof Guernsey's telecoms infrastructure and equip it for a digital future over the next five years.

Sure is upgrading subsea cables that link to Guernsey and is investing in a range of new broadband technologies to stay ahead of customer demands as consumers and businesses increasingly use digital services.

The first phase of this investment plan is upgrading the subsea cables that link Guernsey to the rest of the world and provide the majority of the island’s communications needs including broadband, voice and data services. Sure’s subsea infrastructure consists of multiple cables that connect the island to the other Channel Islands, the UK and Europe.

Upgrades to the subsea cables will increase capacity of Sure’s network to 300Gbps, an increase of almost 300%, to meet the island’s future bandwidth needs for the next five years. This new network make it much easier to upgrade at increments of 100G; an increase of more than ten times over the technology deployed today.

“The importance of our subsea infrastructure really can’t be overstated. Guernsey has been winning business on the world stage as a direct result of our network resilience and of course it keeps all of us connected in our daily lives. It is the unseen foundation that enables and secures connectivity for businesses, in our homes and when mobile,” said Ian Kelly, CEO of Sure.

“We’re carrying out this upgrade work, which is a significant multimillion-pound investment, to reinforce the quality of the infrastructure and ensure that our network continues to be the most resilient in the Channel Islands. The digital future and this investment are aligned with the States of Guernsey’s ambitious telecoms strategy as we work together to secure the island’s continued prosperity and success.”

Sure’s plans also include a commitment to increasing broadband speeds through extending its fibre-rich approach and new innovations including trials for fibre directly to the home and 5G services, both of which will commence in the coming months.

Sure will be making more announcements in the coming months about its five-year investment plan.

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