Summary

• Sateliot launched five additional spacecraft on the Transporter-18 mission, taking the total number launched since the company’s foundation to 11.
• The company expects the added capacity to double average daily passes and halve revisit times for connected devices.
• Its wholesale model is designed to let mobile operators extend IoT coverage by satellite without creating a separate customer network.

Sateliot has added five spacecraft to its low Earth orbit network as the Barcelona company moves standards-based satellite connectivity closer to routine industrial use.

The satellites were carried on SpaceX’s Transporter-18 mission from Vandenberg Space Force Base in California, taking the number launched by Sateliot since its foundation to 11. Manufactured by Alén Space, each spacecraft weighs about 10 kilograms and is designed to operate at roughly 510 kilometres above Earth.

By increasing the number of satellites overhead, Sateliot expects to approximately double average daily passes and halve revisit time for devices using the network. That measure is more important to the immediate service than raw constellation size because remote sensors need predictable opportunities to transmit information when continuous connectivity is unavailable.

The latest satellites also introduce an improved communications payload, more reliable onboard storage, upgraded computing and attitude-control systems, and memory designed to tolerate radiation more effectively. Their expected operational life is five years.

Satellite connectivity moves into the mobile stack

Sateliot is building around non-terrestrial network specifications developed through the same 3GPP standards process used by the mobile industry. Rather than selling a completely separate satellite product to every enterprise customer, the company wants mobile operators to use the orbital layer to extend existing IoT services beyond terrestrial coverage.

A sensor monitoring livestock, utilities infrastructure, freight, environmental conditions, or remote industrial equipment generally needs far less bandwidth than a consumer smartphone, although it may sit kilometres from the nearest viable mobile mast. Narrowband IoT over satellite is intended to fill that coverage gap without forcing operators and customers to manage an entirely separate communications estate.

The commercial model therefore depends on integration as much as spacecraft. Sateliot uses KSAT and Leaf Space for elements of tracking and control, while Comfone provides IPX connectivity linking the satellite network with mobile operators.

Operators also have to incorporate satellite sessions into billing, roaming, device management, and service assurance, while hardware makers need compatible radio modules. Standardisation can reduce those integration barriers, but it does not make them disappear.

The additional satellites improve the network by increasing how often devices can communicate rather than by creating continuous global coverage. Store-and-forward operation allows data to be collected when the spacecraft passes overhead and delivered onwards through the network, which suits applications where periodic telemetry is more important than an uninterrupted connection.

A much larger constellation remains ahead

Sateliot describes the current spacecraft as one stage in a planned constellation of more than 500 satellites, although reaching that scale will require continuing launch, manufacturing, spectrum, ground-station, and financing commitments over several years.

The company expects another technology generation, called Tritó, to begin from 2027 with 5G NR NTN capability and functionality based on newer 3GPP specifications. Its longer-term roadmap also extends beyond narrowband IoT towards higher-capacity and direct-to-device services.

That roadmap places Sateliot inside a much broader convergence between terrestrial and satellite communications. Mobile operators, satellite businesses, chip manufacturers, and standards bodies are increasingly treating orbit as another possible radio-access layer rather than a completely separate communications market.

The economics remain difficult, particularly where terrestrial mobile or low-power networks already provide adequate coverage. Satellite IoT has to justify the extra orbital infrastructure through places and applications where extending a conventional network would cost more or remain physically impractical.

Sateliot’s wholesale approach is designed around that constraint. Mobile operators retain the customer relationship while satellite capacity fills geographic gaps, allowing an industrial device to use familiar cellular technology in areas that previously required specialised satellite hardware.

The five new spacecraft are therefore less significant as a standalone launch than as added operating density inside that model. If doubling pass frequency produces more predictable service for deployed devices, Sateliot moves another step from demonstration connectivity towards an infrastructure layer that mobile operators can sell as part of an ordinary IoT contract.