Summary
- Telebras has asked international satellite manufacturers and integrators to help define SGDC-2, a sovereign geostationary system with preliminary civil capacity of 80-100Gbps.
- The request makes open architecture, technology transfer, export-control disclosure and reuse of Brazil's existing control and gateway estate part of the economic contest, not technical footnotes.
- This is a non-competitive request for information, not a tender or contract award: no purchase value is disclosed, and the specifications can change before any acquisition.
The most consequential feature of Brazil's proposed second sovereign communications satellite may be its ability to outlive the supplier that builds it.
Telebras's request for information asks satellite manufacturers and systems integrators to describe an architecture that avoids technological lock-in, uses open and widely adopted standards where feasible, and can absorb additional satellites, terminals and ground infrastructure later. It also asks what software, engineering tools and operational knowledge can be transferred or licensed to Telebras. In a market where a spacecraft can remain in service for 15 years, those provisions turn supplier dependence into a lifetime-cost question.
The document was issued on July 15 and surfaced in a detailed, timestamped Brazilian trade report on July 17. Its status is easy to overstate. Telebras says the exercise is solely for market research and technology assessment; responses will not be ranked competitively, and participation creates no obligation to buy or supply anything. Manufacturers are due to respond by September 15, after which Telebras may hold individual technical workshops. There is no disclosed procurement value, selected vendor or committed construction schedule.
Sovereignty is being specified before price
The RFI sketches a geostationary system at Brazil's 57 degrees west orbital position. Its baseline is a minimum operational life of 15 years, although Telebras also requests a trade-off against smaller spacecraft with shorter design lives. The civil Ka-band mission has preliminary aggregate capacity of 80-100Gbps and nationwide coverage extending over Brazil's maritime area. Initial capacity could be lower and expand with demand, particularly as the system approaches the planned replacement of SGDC-1 at 75 degrees west around 2035.
That range is a planning assumption, not purchased capacity. Respondents may propose one satellite or more than one, split civil Ka, military Ka and X-band payloads across different spacecraft, and recommend alternative architectures where they meet the mission. The final capacity, payload mix and cost will depend on the trade-offs returned by industry.
Telebras nevertheless defines a firm control principle. Sovereign ownership, mission management, cryptography, governmental priority and strategic operation must remain Brazilian even if spare civil capacity is leased to third parties or outside investors help finance the system. The RFI asks whether long-term capacity commitments, pre-purchases, take-or-pay contracts or co-investment could reduce direct state capital expenditure. Commercial revenue is therefore invited, but only beneath the government's operational priority.
That creates a useful economic tension. Reserving capacity and control for government and defence makes the asset strategically valuable; selling some capacity can improve utilisation and financing. Yet strict traffic isolation, security requirements and uncertain third-party demand may raise costs or reduce the capacity that can be monetised. The market sounding is designed to reveal that trade-off before a tender fixes it in hardware.
The ground estate is part of the bargaining power
SGDC-2 is not being conceived as an isolated entity in orbit. Telebras wants to reuse redundant satellite-control and communications-management centres in Brasília and Rio de Janeiro and collocate tracking, telemetry and command facilities with SGDC-1 infrastructure. It asks suppliers to incorporate the five existing civil Ka-band gateway locations in Brasília, Rio de Janeiro, Salvador, Campo Grande and Florianópolis, while considering additional sites if capacity requires them.
Reuse can lower installation cost and shorten deployment. Geographic diversity can also make control less vulnerable to weather, local outages or physical disruption. But the existing estate constrains design choices: a bidder must show how gateways, network management and baseband systems fit Brazilian sites and remain extensible without a major redesign.
The same logic governs technology transfer. Telebras asks vendors to identify work that Brazilian companies, universities and research institutes could perform across design, integration, testing, operations and maintenance. It also requires disclosure of export controls, intellectual-property restrictions, licensing limits and third-party technologies that could narrow that cooperation. A proposal offering nominally advanced hardware but withholding the tools needed to operate or modify it would score poorly against the stated sovereign objective, even if its upfront price were attractive.
September responses will show what is feasible
The next informative event is not a winning bid. It is the shape of industry responses: rough-order cost ranges, the number of viable architectures, the terms attached to technology transfer and the restrictions vendors place on sensitive military and control systems.
Telebras must then decide which aspirations become binding requirements. Open interfaces can reduce future switching costs, but integrating multiple suppliers can add engineering risk. Reusing ground infrastructure can preserve past investment, but new capacity and resilience targets may require more sites. Domestic participation can build long-run capability, but export controls and proprietary licences may limit what foreign manufacturers can transfer.
Until those choices become a formal procurement, SGDC-2 remains a design exercise with strategic consequences rather than a capital commitment. The RFI matters because it establishes the bargaining position: Brazil is asking the market not only for bandwidth in orbit, but for the practical freedom to operate, extend and finance the system on Brazilian terms.
Sources
- Telebras: SGDC-2 Request for Information, issued July 15, 2026 — primary 35-page document covering status, schedule, architecture, capacity, ground infrastructure, technology transfer and commercial options.
- Telebras: 2026 public consultations and hearings — official landing page linking the SGDC-2 RFI.
- Convergencia Digital, July 17, 2026 — exact in-window publication time and Portuguese-language reporting on the RFI's specifications and timetable.

