Adtran’s SDG router portfolio receives FCC conditional approval, supporting ongoing broadband expansion

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Key Terms

fcc regulatory

The FCC is the U.S. government agency that regulates radio, television, satellite, cable and wireless communications. Its decisions are like traffic signals for companies that use airwaves or communications networks: they grant licenses, approve or block mergers, set technical rules and enforce penalties, all of which can change a company’s ability to operate, sell products or compete — and therefore affect revenue, costs and investor returns.

covered list regulatory

A covered list is the set of stocks or securities that a brokerage, research team, or analyst actively monitors and writes reports about. Like a gardener’s list of plants they tend, it shows where the firm spends time and expertise; for investors this matters because inclusion means more public research, trading coverage, and quicker reaction to news, while exclusion can mean less information and liquidity.

service delivery gateway (sdg) technical

A service delivery gateway (SDG) is a network component—software or hardware—that sits between users and backend systems to manage, secure and route digital services like connectivity, billing, and access controls. Think of it as a smart traffic controller and receptionist for online services: it ensures requests get to the right place, enforces rules, and enables charging or policy changes. Investors care because an SDG affects how quickly a company can roll out new services, control costs, protect revenue and meet regulatory or security requirements.

carrier-grade router technical

A carrier-grade router is a very high-capacity, highly reliable piece of network equipment that directs large volumes of internet and phone traffic for telecom companies and major service providers. Think of it as a highway interchange built to handle nonstop heavy traffic with built-in backups; its performance and uptime directly affect a provider’s ability to deliver services, control costs, scale capacity, and protect revenue and customer satisfaction.

firmware technical

Firmware is the built-in software that tells a physical device how to operate, stored in the device’s permanent memory rather than on a removable app. Think of it as the instruction manual glued into a gadget’s brain that controls basic functions and features. Investors care because firmware updates or flaws can change a product’s capabilities, security, repair costs, regulatory compliance and customer satisfaction, all of which can affect sales, margins and company value.

broadband technical

Broadband is high-speed internet service that carries large amounts of data quickly over wires, fiber, or wireless networks — think of it as a multi-lane highway for online traffic. For investors it matters because broadband availability, speed, and capacity drive consumer and business demand, influence revenue potential and pricing power, and require significant infrastructure investment and regulatory decisions that affect a provider’s growth and profitability.

public safety and homeland security bureau regulatory

A public safety and homeland security bureau is a government office that coordinates emergency services, law enforcement support, disaster response, and security measures to protect people, infrastructure and borders. For investors it matters because this bureau sets safety rules, issues permits, and decides funding or contracts for response equipment and services—similar to a building inspector whose approval determines whether a project can open and operate safely, affecting costs, timelines and revenue risks.

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04/21/2026 - 08:00 AM

News summary:

FCC approval exempts Adtran’s SDG router portfolio from Covered List restrictions through October 1, 2027
Decision enables uninterrupted shipments, authorizations and deployments across current and next-generation SDG platforms
Regulatory clarity supports long-term SDG investment and rollout planning

HUNTSVILLE, Ala.--(BUSINESS WIRE)-- Adtran today announced that its service delivery gateway (SDG) carrier-grade router portfolio has received conditional approval from the FCC’s Public Safety and Homeland Security Bureau, formally exempting the platforms from FCC Covered List restrictions through October 1, 2027. The decision places Adtran among the first router manufacturers to achieve this designation under the FCC’s national security review process. By ensuring continued access to Adtran’s SDG technology, the approval enables service providers to maintain deployment momentum, reduce operational risk and invest confidently in the long-term expansion of broadband networks while navigating evolving regulatory requirements.

Adtran’s SDG router portfolio has achieved FCC approval from Covered List restrictions through October 1, 2027.

“Achieving this approval reflects the strength of our long‑standing commitment to secure, trusted networking innovation,” said Eric Presworsky, GM of subscriber solutions at Adtran. “For more than 40 years, we’ve combined deep networking expertise with disciplined engineering, transparent supply chain practices and a security-by-design approach to product development. These principles continue to guide how we build and deliver our platforms, helping service providers deploy critical infrastructure with confidence while meeting regulatory, operational and security expectations. This milestone reinforces our dedication to delivering resilient, compliant technologies that our customers can depend on as their networks scale.”

The FCC’s conditional approval applies across Adtran’s authorized SDG router portfolio, covering both current and next-generation platforms used by service providers to deliver broadband connectivity at scale. As a result, shipments, FCC authorizations and customer deployments can continue without interruption, allowing operators to maintain rollout plans and upgrade paths without change. The designation reflects a review of Adtran’s secure engineering practices, supply chain transparency and firmware integrity commitments, supported by continued investment in US-based manufacturing capabilities, US‑led software development and security governance, aligned with broader efforts to protect critical communications infrastructure. Together, these capabilities underpin reliable operations, long-lifecycle support and regulatory alignment for managed broadband networks.

“This FCC approval is built on 40 years of trusted expertise,” commented Robert Conger, GM of strategy and solutions at Adtran. “It reflects how Adtran applies decades of experience to deliver solutions designed for long-term performance and regulatory alignment. For service providers, it offers important certainty at a time when long-term infrastructure planning is critical. Operators can move forward with current and next-generation SDG deployments without disruption, protecting rollout timelines and investment plans. By removing uncertainty from a critical layer of the network, this decision lays the foundation for resilient, scalable connectivity that communities and businesses can rely on for years to come.”

About Adtran

ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) is the parent company of Adtran, Inc., a leading global provider of open, disaggregated networking and communications solutions that enable voice, data, video and internet communications across any network infrastructure. From the cloud edge to the subscriber edge, Adtran empowers communications service providers around the world to manage and scale services that connect people, places and things. Adtran solutions are used by service providers, private enterprises, government organizations and millions of individual users worldwide. ADTRAN Holdings, Inc. is also the majority shareholder of Adtran Networks SE, formerly ADVA Optical Networking SE. Find more at Adtran, LinkedIn and X.

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ADTRAN Holdings, Inc.
www.adtran.com