CenturyLink vs. T-Mobile Home Internet
For anyone stuck on old copper, this is the most consequential comparison on the site — and the wireless option wins more often than people expect.
If CenturyLink can only sell you DSL, T-Mobile Home Internet is usually the better choice: faster in practice, flat priced, no installer, no contract. If CenturyLink fiber is available at your address, take the fiber — it is more consistent and much stronger on uploads.
The comparison that actually matters
Millions of homes sit in a particular trap: the incumbent telephone company offers DSL, has offered DSL for twenty years, and shows no sign of building fiber to that street. For those households, 5G home internet was the first real alternative to arrive in a very long time.
So the honest version of this comparison is not CenturyLink versus T-Mobile in the abstract. It is whether you are being offered fiber or copper, because that single fact flips the answer.
If CenturyLink can only offer DSL
T-Mobile Home Internet is very likely the better buy. Typical real-world speeds comfortably exceed what a long copper loop delivers, the price is flat and all-in, there is no annual contract, and you install it yourself in a few minutes by plugging in a gateway and finding a window.
The main tradeoff is consistency. Fixed wireless shares capacity with the mobile network, so speeds move around during the day, and performance depends on how far you are from the tower and what is between you and it. Most people find that variability easier to live with than DSL’s ceiling.
If CenturyLink can offer fiber
Take the fiber. Symmetrical uploads, low and steady latency, and performance that does not care how many neighbours are streaming are all things fixed wireless cannot match. For video calls, cloud backup, gaming, or any work that pushes data upstream, the difference is obvious within a day.
The flat pricing that makes T-Mobile attractive is also true of CenturyLink fiber, so you are not trading cost predictability for quality here.
Things people underestimate about wireless
Two practical advantages get overlooked. First, there is no installer appointment and no reliance on the condition of the copper or coax already in your walls — which, in an older building, can be the whole problem. Second, the gateway is portable. If you move within the coverage area you take it with you.
The thing people underestimate on the other side is upload. Wireless upload speeds are modest, and if you regularly send large files or appear on camera for a living, that is the constraint you will hit first.
Which should you get?
Check your address and let the technology decide. Fiber available: take fiber. Only DSL available: try T-Mobile, and note that because there is no contract, trying it is close to risk-free.
If you are on the fence and work from home on video, lean wired. If you are in a rental, on a short lease, or simply done with the incumbent, lean wireless.
Jean founded ShopHighSpeed after trying to find one straight answer about business internet in his own town. He builds the site’s rankings from the availability data providers file with the FCC rather than from provider marketing.