Millicom Taps TAM-1 Submarine Cable to Boost Connectivity Across Central America

The telecom company signs long-term deal to enhance network capacity, redundancy, and resilience.

Apr. 10, 2026 at 6:44pm

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A highly detailed, glowing 3D illustration of the TAM-1 submarine cable system, with its fiber-optic strands illuminated by neon cyan and magenta lights, representing the advanced technology and vast data capacity of this transformative infrastructure project.The TAM-1 submarine cable system, a cutting-edge fiber-optic network, will enhance connectivity and resilience across Central and South America.Hollywood Today

Millicom, a leading telecommunications provider in Latin America, has announced a strategic partnership to join the TAM-1 submarine cable system. This move will allow Millicom to expand and strengthen its international network infrastructure across Central and South America, adding critical capacity, route diversity, and redundancy to its regional operations.

Why it matters

The TAM-1 submarine cable is a major infrastructure project designed to transform communications across the Americas, connecting North America, Central America, Colombia, and the Caribbean. By tapping into this cutting-edge system, Millicom can bolster its ability to serve customers with more reliable and high-capacity connectivity, a key competitive advantage in the rapidly evolving telecom landscape of Latin America.

The details

Under the long-term agreement, Millicom will leverage the TAM-1 system to enhance its international capacity and network resilience. The more than 7,000km fiber-optic cable is designed with each fiber pair supporting a minimum of 18Tbps of capacity, providing ample bandwidth to meet growing customer demands. The system comprises two complementary segments, connecting key markets in North and South America, with plans to extend the network to Jamaica as well.

  • The TAM-1 submarine cable system was announced in September 2023 and is currently being laid.
  • The cable system is expected to be fully operational later this year.

The players

Millicom

A leading telecommunications provider in Latin America, offering mobile, broadband, cable TV, and digital services to customers across the region.

Trans Americas Fiber System

The company developing the TAM-1 submarine cable, a cutting-edge fiber-optic network connecting North America, Central America, Colombia, and the Caribbean.

Alejandro Guerrero

Millicom's VP of strategic operations & wholesale solutions, who announced the company's strategic involvement in the TAM-1 project.

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What they’re saying

“We are excited to announce our strategic involvement in TAM-1, part of the Trans Americas Fiber System – a cutting-edge submarine cable designed to transform communications across the Americas”

— Alejandro Guerrero, VP of strategic operations & wholesale solutions, Millicom

What’s next

The TAM-1 submarine cable is expected to be fully operational later this year, at which point Millicom will begin leveraging the system to enhance its regional connectivity and service offerings.

The takeaway

Millicom's partnership with the TAM-1 submarine cable project underscores the company's commitment to investing in critical infrastructure that will bolster its ability to deliver reliable, high-capacity connectivity to customers across Latin America. This strategic move positions Millicom as a leader in the region's evolving telecom landscape.