- Fixed wireless remains at the heart of T-Mobile’s broadband push even as fibre builds slowly advance.
- The strategy raises questions over long-term reliability, infrastructure investment, and broadband equity.
What happened: Fixed wireless becomes the main growth driver
T-Mobile’s broadband ambitions are increasingly anchored in fixed wireless access (FWA), according to its CEO Srini Gopalan, speaking at the UBS Global Media and Communications Conference. Rather than chase maximum fibre-to-the-home (FTTH) rollouts, the company plans to rely heavily on FWA — and believes this will scale faster.
Under T-Mobile’s long-term plan, the firm aims to obtain around 15 million fibre passings and, simultaneously, reach 12 million fixed-wireless subscribers by 2028. When counting both fibre and FWA together using “homes passed equivalent” calculations, T-Mobile estimates it could cover around 45 million homes — putting it in a similar league to traditional broadband providers.
T-Mobile already ranks among the largest providers of fixed wireless broadband in the United States, with nearly 8 million subscribers, giving it the edge over many traditional ISPs.
Despite the fibre acquisitions — including assets such as Metronet and Lumos — T-Mobile executives say they are not actively pursuing cable-asset purchases and remain focused on FWA plus strategic fiber expansion.
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Why it’s important: A scalable approach with clear limitations
T-Mobile’s emphasis on fixed wireless reflects a broader shift in the broadband industry. FWA avoids the high cost and long lead times of laying fibre to every home. For customers in underserved areas — or where laying cable or fibre is economically difficult — 5G-based FWA can offer a relatively fast, plug-and-play option. Fibre deployments remain costly and slow, and plenty of households around the U.S. still lack access.
However, relying on FWA as a backbone raises legitimate concerns. Wireless broadband, even 5G-driven, can suffer from signal variability, congestion, and inconsistent performance depending on location and demand. As T-Mobile itself balances FWA subscriptions with long-term fibre passings, questions remain about the quality and stability of “homes passed equivalent” calculations in regions with high-density or heavy usage.
T-Mobile’s fixed-wireless strategy could increase competition in broadband markets, particularly in suburban or rural areas underserved by fibre or cable. The company’s combined fibre + FWA footprint may challenge traditional providers.
On the other hand, this model could shift broadband equity debates. If wireless becomes the fallback where fibre isn’t viable, some customers might be locked into variable-performance services, while others benefit from full fibre builds. Regulators and policymakers may need to reconsider how broadband quality, speeds, and access inequalities are monitored — especially if definitions of “coverage” shift toward blended fibre/wireless metrics.
Moreover, as other major providers such as AT&T and Verizon continue to prioritise fibre where possible, the divergence in broadband strategies could lead to a two-tier infrastructure system: high-performance fibre in some areas, and variable wireless in others.
