All three carriers are racing toward satellite connectivity for ordinary phones — but they are at very different stages. T-Mobile already has a commercial product you can sign up for today. AT&T and Verizon are running early beta programs. Understanding exactly where each one stands now, and where it is headed, is what this page is for.
Key Answers — What People Need to Know First
The gap between what these carriers are promising and what you can actually use today is wider than most coverage suggests. These answers start with the reality.
T-Mobile is the only one with a service you can enroll in today as a regular consumer. T-Satellite costs $10/month per line, works on any carrier (not just T-Mobile), and activates as a second eSIM on your phone. It handles texts, picture messages, location sharing, 911 emergency texts, and a growing list of apps including WhatsApp voice messages, Google Maps, and AccuWeather. Verizon has a limited free satellite texting feature through Skylo on supported Galaxy S25 and Pixel 9 phones — no sign-up required, it activates automatically. AT&T is running a beta that hasn’t opened to the general public. If you want satellite coverage on your phone this month, T-Satellite is the one that exists.
Yes. T-Mobile sells T-Satellite to customers of any carrier for $10/month. It installs as a second eSIM so your existing AT&T or Verizon line stays completely intact — your number, your plan, your coverage all stay the same. The satellite eSIM only activates when neither your primary carrier nor any roaming network has signal. Two requirements: your phone must be unlocked (or at least support a second eSIM from another carrier), and it must have a free eSIM slot. If you’re an AT&T or Verizon customer with a compatible phone and you want satellite texting today, T-Satellite is your path. You don’t need to switch carriers.
AST SpaceMobile is a Texas-based satellite company that both AT&T and Verizon have invested in and partnered with to deliver direct-to-phone satellite connectivity — eventually competing with Starlink. Its approach uses very large satellites (about 2,400 square feet of antenna per Block 2 satellite) that act like cell towers in low Earth orbit, beaming cellular signals directly to ordinary phones using AT&T’s and Verizon’s existing low-band spectrum. The FCC authorized AST SpaceMobile for commercial U.S. service in April of this year, clearing a constellation of up to 248 satellites. The problem: the company needs roughly 45 to 60 satellites for continuous U.S. coverage and currently has 12 in orbit. A Blue Origin rocket explosion in June set back the launch schedule. Commercial service has been officially pushed to early 2027.
Verizon’s current satellite capability runs through Skylo — a separate satellite company using geostationary satellites operating in L-band spectrum. It supports basic two-way text messaging and location sharing on compatible phones when cellular and Wi-Fi are both unavailable. According to Verizon, there is no separate charge — it works automatically on eligible devices at no added cost regardless of your plan. The supported device list is short: primarily the Samsung Galaxy S25 series and Google Pixel 9. This is not the same as the coming AST SpaceMobile service, which will use low-Earth orbit satellites and support broadband-class speeds. The Skylo feature handles messages; AST will eventually handle voice, video, and data.
That’s genuinely unsettled, and anyone who tells you otherwise is speculating. T-Mobile and Starlink have a head start with a working product and 660+ satellites. AT&T’s and Verizon’s AST SpaceMobile network has a technical advantage on paper — its large-aperture satellites are designed for actual broadband speeds (peaks above 100 Mbps per cell), while today’s T-Satellite is messaging and light app data only. But AST is still building the constellation and has hit multiple launch delays. T-Mobile’s next-generation Starlink V2 satellites (larger, more capable) are targeting launch in mid-2027. For the next 12–18 months, T-Satellite is the only option that actually works. After that, real competition begins.
Indoors, generally not reliably. All three systems depend on a line-of-sight path between your phone’s antenna and a satellite roughly 300–500 miles overhead. Thick walls, roofs, and dense forest canopy block or badly degrade the signal. T-Satellite testers have maintained a connection inside a vehicle with open windows, but results are inconsistent. AT&T has stated that its future AST SpaceMobile service is “designed to work indoors and in areas without a clear view of the sky” — a claim that distinguishes AST’s large, powerful satellite antennas from Starlink’s smaller cells. That capability hasn’t been independently verified in the U.S. yet. For now, step outside and into an open area if your satellite message isn’t sending.
T-Satellite works with most phones from the last four years on T-Mobile’s published compatibility list — confirmed models include iPhone 13 and newer, Samsung Galaxy S21 and newer, Google Pixel 9, and most 2024+ Motorola models. Unlocked phones from brands not sold by major U.S. carriers (OnePlus, Xiaomi, Nothing) generally don’t work. Verizon’s Skylo texting is confirmed on the Galaxy S25 and Pixel 9; AT&T’s beta list hasn’t been published. The AST SpaceMobile service, when it launches, is engineered to work with standard unmodified smartphones — no new hardware required, though the final device compatibility list for the commercial version hasn’t been disclosed. Check your specific model at T-Mobile’s IMEI checker before subscribing.
Native voice calls — where you pick up your phone and dial normally — are not available on any of the three carriers’ satellite services right now. T-Satellite supports WhatsApp voice and video messages on compatible phones, which gets close for many uses. AT&T completed a demonstration of a native voice call over its AST network in July 2025, but that hasn’t yet rolled out commercially. The full roadmap for all three carriers includes voice, video, and broadband data — but those features are tied to the next generation of satellites still being launched. For genuine calling in a dead zone today, the practical options remain satellite phones (like Garmin inReach) or a Starlink dish with Wi-Fi Calling on your regular number.
Each Carrier’s Satellite Service, in Plain Terms
Three carriers, three very different stages. Here is where each one actually stands, stripped of the marketing language.
T-Mobile launched T-Satellite commercially in July 2025. It is the only direct-to-cell satellite service in the United States where a regular consumer can enroll, pay a bill, and use the service today. The backbone is Starlink’s growing constellation of over 660 direct-to-cell satellites using T-Mobile’s 2.5 GHz spectrum. What you get right now: SMS texts, picture messages (MMS, though photos send slowly), location sharing, 911 emergency text access for free regardless of plan, and an expanding list of satellite-optimized apps including WhatsApp, Google Maps, AllTrails, AccuWeather, and X. Service works in the continental U.S., Hawaii, Puerto Rico, parts of Alaska, Canada, New Zealand, and Japan — with more countries being added. It is not mobile internet. A University of Madrid analysis of the network’s signal quality estimated usable shared throughput at roughly 4 Mbps across everyone under the same satellite pass. You won’t stream video or browse normally — but your text home from a canyon will go through. The $10/month price is currently described as introductory, with T-Mobile indicating it will eventually move to $15/month. On Experience Beyond and Go5G Next plans it’s included at no extra charge.
Verizon has two satellite plays running in parallel, and it’s important not to confuse them. The first is already live: Skylo-powered satellite messaging on select Android devices — specifically the Samsung Galaxy S25 series and Google Pixel 9. This feature activates automatically with no added monthly charge, enabling basic two-way text messages and location sharing via geostationary satellites when cellular and Wi-Fi are unavailable. Skylo uses L-band spectrum and its own separate satellite network — it has nothing to do with AST SpaceMobile. The second, much bigger play is Verizon’s commercial agreement with AST SpaceMobile, into which Verizon has invested $100 million. AST’s BlueBird satellites use Verizon’s 850 MHz low-band spectrum to beam cellular signals directly to phones. The FCC cleared AST for U.S. commercial service using Verizon’s spectrum in April of this year. The hard reality: AST needs 45 to 60 satellites for continuous U.S. coverage and currently has 12 in orbit. Launch delays — including the loss of BlueBird 7 and a Blue Origin rocket explosion in June — pushed the commercial service timeline to early 2027. Verizon’s AST service has not published a consumer price or confirmed device list. It is not something you can sign up for.
AT&T’s satellite phone strategy runs entirely through AST SpaceMobile, in which it holds a strategic investment. The partnership is further along in testing than most people realize: AT&T and AST completed a native voice call over satellite using AT&T spectrum in July 2025, and a video call was demonstrated in February 2025. AT&T is currently offering pre-commercial satellite service to a select group of consumer customers and FirstNet public safety users — the latter group covering first responders who use AT&T’s government-contracted public safety network. For general consumers, that beta is closed; AT&T has stated it is “still too early to give a specific date” for broader commercial launch. The AST service AT&T is building will use the company’s 700 MHz and 850 MHz low-band spectrum — the same frequencies that carry deep rural coverage from cell towers. AT&T’s CEO has noted that AT&T, Verizon, and T-Mobile each hold around 300 MHz of usable spectrum per cell site, compared to SpaceX’s smaller current allocation — an argument that the AST network will eventually outperform Starlink in raw capacity. That future hasn’t arrived yet. The consumer experience available from AT&T right now over satellite is: nothing, unless you’re in the closed beta or a FirstNet user.
Side-by-Side Comparison — All Three Carriers
What each carrier’s satellite service can do for your phone right now, in September of this year. Prices and features are subject to change; verify with each carrier before making decisions.
| Carrier | Satellite Partner | Monthly Cost | Texting Now? | Voice Now? | Data / Apps? | Available To? | Status |
|---|---|---|---|---|---|---|---|
| T-Mobile | Starlink (SpaceX) | $10/mo. (any carrier) | ✅ SMS · MMS · 911 | WhatsApp only | ✅ Select apps | Anyone — any carrier | Live now |
| Verizon (Skylo) | Skylo / GEO satellite | Free (on eligible phones) | ✅ Basic texts only | ❌ No | ❌ No | Galaxy S25 · Pixel 9 | Live — limited |
| Verizon (AST) | AST SpaceMobile | Not announced | Planned | Planned | Planned broadband | Select beta only | Early 2027 |
| AT&T (AST) | AST SpaceMobile | Not announced | Planned | Planned | Planned broadband | Closed beta only | Early 2027 |
| Apple (built-in) | Globalstar | No separate fee | Emergency + limited | ❌ No | ❌ No | iPhone 14+ users | Live now |
What’s Actually Coming — and When
The satellite phone story moves fast, but the launch delays are real. Here is the honest state of the roadmap as of late September.
The current T-Satellite service runs on Starlink’s first-generation direct-to-cell satellites. They’re capable but limited — the shared throughput per satellite is modest, which is why T-Satellite handles texts and light apps but not general internet browsing. SpaceX’s next-generation V2 satellites are significantly larger and more powerful, with plans to launch using the Starship rocket starting mid-2027. According to Starlink VP Mike Nicolls speaking at Mobile World Congress in Barcelona, the goal is roughly 1,200 V2 satellites deployed within six months of the first launches — a timeline that, if it holds, would deliver something close to full broadband from space to ordinary phones by late 2027. Until then, T-Satellite keeps improving incrementally as SpaceX adds more V1 satellites and refines the software.
In April of this year the FCC formally authorized AST SpaceMobile to provide commercial direct-to-device service in the United States using AT&T’s and Verizon’s low-band spectrum — a major regulatory milestone. The problem is hardware. AST needs between 45 and 60 of its Block 2 BlueBird satellites for continuous U.S. coverage. As of late September, 12 are in orbit. A Blue Origin New Glenn rocket explosion in June grounded that launch vehicle; a separate launch lost BlueBird 7 when it failed to reach the correct orbit. AST has pivoted to SpaceX Falcon 9 rockets (carrying three satellites per launch) to maintain momentum and is targeting about 45 satellites by year-end — though setbacks have made that ambitious. The company’s official regulatory filings now target commercial service in the first half of 2027. AST has also said that even at 45 satellites, initial coverage will be non-continuous — passes will cover an area, then a gap until the next satellite crosses overhead. Truly gap-free coverage likely requires the full 90-satellite constellation.
When AST SpaceMobile’s network does come together, it is engineered for something meaningfully different from the current T-Satellite experience. Each Block 2 BlueBird satellite carries an antenna array of roughly 2,400 square feet — the largest commercial phased arrays ever put into low Earth orbit — paired with a custom AST5000 processor. Peak speeds measured in testing reached 98.9 Mbps over ocean waters with just a handful of satellites. The design goal is genuine broadband, not a texting layer. AT&T has also stated that AST’s service is designed to work even indoors, where current satellite services fail. Those are meaningful distinctions: a service that can handle a video call, works inside a rural home, and runs on your regular number through your regular carrier is a very different product from emergency texting. Whether AST actually delivers all of this at scale by 2027 is the question every analyst is watching.
Find Your Situation
T-Satellite at $10/month is exactly what this scenario was built for. Check your phone’s eligibility at t-mobile.com/support/coverage/satellite-support — most phones from the past four years work. If you’re on AT&T or Verizon, you don’t need to switch carriers; T-Satellite adds a second eSIM. Set it up, then make sure the people you’d contact in an emergency know that your texts will arrive slower over satellite (a photo can take a minute or two), and that you may need to step out of the car for the best signal. If you have an iPhone 14 or newer, Apple’s built-in emergency satellite feature is also already on your phone at no extra charge — T-Satellite adds everyday texting and app access on top of that safety net.
If you have a Samsung Galaxy S25 or a Google Pixel 9, Verizon’s Skylo satellite texting is already on your phone with nothing to activate. When you’re in an area with no cellular signal, basic two-way text messages will route over satellite automatically. It doesn’t cost anything and it doesn’t require any setup. What it won’t do: handle pictures, voice calls, or general apps. It also doesn’t work on older phones, even flagship ones. If your phone isn’t on that short list and you want satellite coverage on your Verizon line today, T-Satellite for $10/month is the add-on that fills the gap while you wait for Verizon’s AST SpaceMobile service to launch commercially.
AT&T’s commercial satellite service through AST SpaceMobile does not have a confirmed public launch date or price. The beta is closed to general consumers. The realistic timeline for a service you can actually sign up for as an AT&T customer is the first half of 2027, and that depends on AST reaching roughly 45 satellites in orbit on schedule — which has already slipped once. In the meantime, your options are: add T-Satellite for $10/month on your existing AT&T line (it works with any carrier), or if you have an iPhone 14 or newer, rely on Apple’s emergency satellite feature for genuine emergencies at no charge. Waiting for AT&T’s satellite service to launch before doing anything is reasonable only if you have no pressing need for coverage in dead zones.
For broadest compatibility right now: any iPhone 14 or newer (Apple emergency satellite built in), or a Samsung Galaxy S25 or Google Pixel 9 (Verizon Skylo texting built in, plus T-Satellite compatible). All of those phones also work with T-Satellite. The Pixel 9 and Galaxy S25 are the intersection point — you get Verizon’s free Skylo texting, Apple users get the emergency feature, and every eligible phone works with the $10 T-Satellite add-on. Skip phones from brands not sold by major U.S. carriers if satellite connectivity matters; they generally don’t connect to T-Satellite regardless of their specs. Don’t pay extra for a phone based on promises about “AST SpaceMobile compatibility” — the final device list for that network hasn’t been published.
For open-sky terrain in the continental U.S., T-Satellite on a compatible phone covers the everyday safety need: texts home, location sharing, weather, and emergency 911. The main gaps that keep dedicated satellite messengers relevant for serious backcountry use: phone batteries drain faster while the device searches for a satellite signal, dense forest canopy can block the connection, and deep canyons reduce sky view. A Garmin inReach uses Iridium satellites in a polar orbit that covers virtually everywhere on Earth, consumes far less battery in standby, and is purpose-built to survive outdoor use. A practical middle ground: use T-Satellite as your everyday dead-zone layer and carry a charged power bank. For multi-day solo trips in dense forest or outside the covered countries, a dedicated messenger remains the more dependable safety device.
AT&T’s AST SpaceMobile beta is specifically prioritizing FirstNet public safety users alongside its consumer beta — first responders on AT&T’s FirstNet network are in the earliest access group for satellite connectivity. FirstNet is AT&T’s dedicated public safety broadband network built on a government mandate, and AT&T has explicitly stated it is designing satellite coverage for FirstNet with push-to-talk and mission-critical capabilities in mind. T-Mobile’s T-Satellite also supports free satellite text-to-911 for anyone with a compatible phone, regardless of carrier — something relevant for responders working in areas where ground towers have failed after a disaster. Public safety satellite connectivity is moving faster than the consumer side precisely because it was built into the planning from the start.
Where to Sign Up or Get More Information
For anything available today, go directly to the carrier. For the upcoming AST SpaceMobile service, there is nothing to sign up for yet — watch the carrier pages.
Service details, status, and timelines are drawn from carrier announcements, FCC orders (including the April 2026 AST SpaceMobile commercial authorization), AST SpaceMobile SEC filings (Form 8-K and Form 424B5), and independent analysis of satellite deployment data. The AST SpaceMobile satellite count reflects publicly tracked orbital data as of late September. The throughput estimate for T-Satellite is drawn from a Universidad Politécnica de Madrid analysis of direct-to-cell signal data. Timelines for future services are targets, not guarantees; satellite launches and regulatory approvals are subject to change. No carrier has published a price for its forthcoming AST SpaceMobile consumer service. This page is independent and is not affiliated with T-Mobile, AT&T, Verizon, SpaceX, AST SpaceMobile, or any carrier or satellite company. Verify all current details — pricing, device compatibility, and availability — directly with each carrier before subscribing.