Starlink Gets Nationwide 800 MHz Spectrum for Indoor Coverage

Starlink has obtained nationwide spectrum in the 800 MHz band. According to Ars Technica, it is needed so that SpaceX's satellite network can provide mobile coverage indoors. That problem remains unsolved: the signal travels from an orbit hundreds of kilometers up, and roofs, concrete and energy-efficient glass absorb a large share of its power. For a company that wants to compete with AT&T, T-Mobile and Verizon, this is the key technical barrier.

Why 800 MHz matters

Physics works in Starlink's favor here. At 800 MHz the wavelength is about 37 centimeters, and a signal like that bends around obstacles and passes through walls noticeably better than frequencies around 1.9 GHz or 3.5 GHz. That is why terrestrial carriers have relied on low bands for decades as the backbone of coverage: in rural areas, along highways and deep inside buildings.

For a satellite, the gain matters even more. The link budget between a spacecraft and an ordinary smartphone is extremely tight. The transmitter in the phone is weak, the antenna is tiny, and the distance is enormous. Every decibel that is not lost in a wall brings the connection closer to working without stepping outside.

What is known and what is not

The original description of the deal is very brief, so only the basic parameters can be stated with confidence:

• Band: 800 MHz, a license with nationwide coverage.
• Purpose: mobile coverage indoors.
• Positioning: a direct challenge to AT&T, T-Mobile and Verizon.
• Not disclosed in the available text: the amount, the counterparty, the term and the service launch schedule.

Here is the context for assessing it. SpaceX is already active in this area. Starlink Direct to Cell works through satellites that are essentially base stations in orbit, and T-Mobile is its partner in the US. In 2025, SpaceX also agreed to buy spectrum from EchoStar. The new deal looks like a continuation of the same line: assemble its own set of frequencies so it depends on partner carriers as little as possible.

Where it could get stuck

Spectrum alone does not deliver connectivity. At least three problems remain.

The first is the regulator. Using terrestrial frequencies on satellites requires FCC approval, and neighboring licensees will be watching for interference. The second is devices. For a phone to talk to a satellite on these frequencies, the modem and antenna path must support the band. If modern smartphones already have that support, launch will move faster. If they do not, the company will have to wait for a new generation of devices and for agreements with chip and phone makers.

The third is capacity. A satellite beam covers a huge area, and its throughput is shared among all the subscribers inside it. In rural areas that is enough for messaging, and eventually for voice and basic data. But such a system cannot replace a terrestrial network in a dense city. Most likely, Starlink will complement existing networks rather than displace them.

What to watch next

For anyone following the market or choosing a carrier, these are the practical markers:

• The FCC decision: the conditions for using the band and the interference limits.
• The list of compatible smartphones: whether the band needs hardware support or a firmware update is enough.
• Announced speeds and indoor services: SMS only, or voice and data as well.
• Carrier reaction: new roaming deals, revised partnerships or their own satellite projects.
• Terms for subscribers: whether satellite service is included in a regular plan or sold separately.

For now, this is a bid for position, not a working service. If Starlink does get a stable signal inside homes on low frequencies, the big US carriers will face a competitor with its own orbital infrastructure.