What ADTRAN does

ADTRAN is a global provider of open, disaggregated networking solutions serving communications service providers, cloud operators, enterprises, and government networks. Founded in 1986 and headquartered in Huntsville, Alabama, the company designs, manufactures, and services network access and optical transport equipment spanning fiber access, aggregation, optical transport, subscriber premises, and AI-driven network management. Following its July 2022 merger with ADVA Optical Networking SE (a German optical networking specialist now operating as Adtran Networks SE), ADTRAN operates with dual US (NASDAQ: ADTN) and Frankfurt Stock Exchange listings and an expanded addressable market estimated at $13.7 billion.

The company's product portfolio spans five primary categories: Open Optical Networking (FSP 3000 platform with coherent pluggable optics from 100G to 800G, including the LiteWave800 ultra-low-power 800G LPO module operating at 1pJ/bit); Access and Aggregation (SDX 8000 Series edge routers with 400G interfaces, SDX 6000 OLTs, Total Access 5000); Subscriber Solutions (Intellifi managed Wi-Fi, SDG 8700/9000 Series Wi-Fi 7 gateways, NetVanta routers, Ensemble Cloudlet edge AI platform); Automation and Insights (Mosaic One SaaS platform with the Mosaic One Clarity AI module serving close to 500 customers); and Network Infrastructure Assurance (ALM in-service fiber monitoring). Proprietary technology anchors include the LiteWave800 module (12-18x more power efficient than DSP-based optics), the ALM fiber monitoring system with deep PON assurance, and Mosaic One Clarity's explainable AI for proactive network assurance.

ADTRAN generates revenue primarily through hardware sales across three segments — Optical Networking Solutions (Q1 2026: $97.3M, +24% YoY), Subscriber Solutions (Q1 2026: $98.2M, +22% YoY), and Access & Aggregation Solutions (Q1 2026: $90.5M, +2% YoY) — supplemented by recurring software/SaaS revenue from Mosaic One and professional services through Adtran University. The go-to-market combines direct enterprise sales targeting tier 2/3 operators in North America and major operators in Europe (BT Openreach, FiberCop, euNetworks), with channel partners, global system integrators (IBM, NEC, Dacoso), and distributors (Jenne, Immix). FY2025 revenue totaled $1.084 billion (+17.5% YoY) with Q1 2026 non-GAAP operating margin of 6.9%, and management targets approximately $340M per quarter to sustain double-digit EBIT margins.

Name

ADTRAN

Legal name

Adtran, Inc.

Website

https://adtran.com

Company type

Public

Founded year

1986

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

ADTRAN designs, manufactures, and services open, disaggregated networking solutions — including fiber access, optical transport, Wi-Fi 7 gateways, and AI-driven Mosaic One SaaS — for global service providers, cloud operators, enterprises, and government networks, with operations in North America and EMEA.

Ownership category

akta.pro rank

Product category

Telecommunications Networking Equipment

NAICS

Fiber Optic Cable Manufacturing (335921)

SIC

Computer Communications Equipment (3576)

akta.pro primary industry

Residential Broadband CPE (DSL/Cable/Fiber Gateways) (HDAFAIAA)

akta.pro secondary industry

Active Optical Cables (AOC) & Optical Interconnects (HDAFAEAG)

Keywords

• Fiber access networks
• Optical transport equipment
• Network management software
• Subscriber premises equipment
• Broadband infrastructure

Headquarters

HQ city

Huntsville

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales

Revenue model

1. Optical Networking Solutions: Revenue from open optical transport platforms, pluggable optics, and related optical networking hardware. Q1 2026 revenue of $97.3M representing 24% year-over-year growth.
2. Subscriber Solutions: Revenue from service delivery gateways, Wi-Fi 7 gateways, and residential connectivity solutions. Q1 2026 revenue of $98.2M representing 22% year-over-year growth.
3. Access and Aggregation Solutions: Revenue from fiber access platforms, aggregation switches, routers, and OLT solutions. Q1 2026 revenue of $90.5M representing 2% year-over-year growth.
4. Software and SaaS: Revenue from Mosaic One SaaS platform subscriptions, managed Wi-Fi services (Intellifi), and network management software.
5. Services: Professional services including deployment, consulting, training, and support services.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

ADTRAN designs, manufactures, and markets open, disaggregated fiber access, optical transport, and subscriber networking equipment—including OLTs, aggregation switches, coherent pluggable optics, service delivery gateways with Wi-Fi 7, and the LiteWave800 800G LPO module—combined with the AI-driven Mosaic One SaaS platform and global professional services for service providers, cable operators, cloud providers, enterprises, and government networks.

Product overview

ADTRAN offers a comprehensive networking portfolio organized across five core areas: Open Optical Networking (FSP 3000 platform with Edge, Core, IP OLS variants, TeraFlex, M-Flex, S-Flex, OpenFabric, AccessFlex, and coherent pluggable optics from 100G to 800G including LiteWave800), Access and Aggregation (SDX 8000 Series edge routers, SDX 6000/6400 OLTs, Total Access 5000, FSP 150 aggregation switches, SDX 2200 fiber extension, and Mosaic Cloud Platform management), Subscriber Solutions (Intellifi cloud-managed Wi-Fi with MeshView and mobile app, SDG 8700/9000/800 Series service delivery gateways with Wi-Fi 7, NetVanta business routers/switches, and Ensemble Cloudlet edge AI platform), Automation and Insights (Mosaic One SaaS platform with Clarity, Care, Operate, Promote modules for AI-driven network operations, plus Mosaic Network Controller, Optical Director, Sync Director, Fiber Director and Packet Director for management and control), and Network Infrastructure Assurance (ALM fiber monitoring for fiber, PON, cabinet/water/maintenance sensors). The company also provides Oscilloquartz timing and synchronization solutions and global professional services through Adtran University.

Differentiator

Problem solved

Functional benefit

Brands

• Intellifi: Cloud-managed Wi-Fi platform for service providers enabling subscriber management, network optimization, and monetization of managed Wi-Fi services.
• LiteWave800
• Mosaic One
• FSP 3000
• Ensemble Cloudlet

Products and services

• FSP 3000 Open Optical Networking Open optical transport platform available in Edge OLS, Core OLS, IP OLS, TeraFlex, M-Flex800, S-Flex, OpenFabric, and AccessFlex variants for metro, DCI, and long-haul networks. Supports open, disaggregated architectures with coherent pluggable optics up to 800Gbit/s.
• LiteWave800 Ultra-low-power 800Gbit/s DR8 linear pluggable optics module engineered for AI and machine-learning workloads in data centers, operating at 1pJ/bit energy efficiency and 0.8W power consumption for intra-data center connectivity.
• Coherent 100ZR Series Coherent 100Gbit/s pluggable transceivers for DCI and edge transport in an industry-standard form factor enabling 100Gbit/s coherent connectivity without purpose-built optical infrastructure.
• Coherent 400ZR Series Coherent 400Gbit/s pluggable transceivers for DCI, metro, and long-haul applications enabling 400Gbit/s transport over data center interconnect links with open, standards-based coherent pluggables.
• Coherent 800ZR Series Coherent 800Gbit/s pluggable transceivers for high-capacity DCI and metro networks supporting AI-driven bandwidth demands with 800Gbit/s coherent connectivity.
• SDX 6000 Series Optical Line Terminals Optical line terminals (OLTs) for fiber access deployments providing high-capacity PON aggregation. Powers a significant portion of European fiber rollouts including Openreach's Full Fibre network.
• SDX 8000 Series Aggregation Switches and Routers Aggregation switches and routers for high-density edge and regional aggregation supporting 400Gbit/s interfaces for operators scaling network capacity at the edge without adding space, power, or operational burden.
• Total Access 5000 Series Multi-service access platform supporting fiber, copper, and wireless access technologies for broadband, voice, and video services.
• FSP 150-XG400 Series Carrier Ethernet Access Devices Carrier Ethernet access devices providing high-speed aggregation and demarcation for enterprise and mobile backhaul applications.
• SDG 8700 Series Wi-Fi 7 Service Delivery Gateways Service delivery gateways with Wi-Fi 7 support across 2.5Gbit/s and 10Gbit/s platforms for residential, SMB, MDU, and community Wi-Fi deployments, FCC conditionally approved for US market access through 2027.
• SDG 9000 Series Wi-Fi 7 Gateways Wi-Fi 7 gateways for residential, small business, and multi-dwelling unit connectivity delivering multigigabit whole-property coverage with unified software and cloud management.
• SDG 800 Series Service Delivery Gateways Entry-level service delivery gateways for broadband service delivery across various deployment scenarios.
• SDX 630 Series Optical Network Terminals Optical network terminals (ONTs) for standard and specialized deployments in residential, business, and wholesale fiber access scenarios.
• AccessWave Series Customer Premise Equipment Customer premise equipment for broadband access including fiber and copper-based solutions.
• NetVanta Series Business Routers and Switches Business routers and Ethernet switches including NetVanta 3000, 4000, 1560, 1570, and 1760 Series for enterprise networking, WAN connectivity, and unified communications support.
• Mosaic One SaaS Platform AI-driven SaaS platform providing network management, automation, and subscriber intelligence across access and in-home Wi-Fi environments. Integrates modules for network assurance, service activation, subscriber management, and Wi-Fi optimization with real-time analytics and AI-powered insights.
• Mosaic One Clarity AI-driven network operations module using explainable AI to shift fiber operations from reactive troubleshooting to proactive assurance, correlating signals across access and in-home networks to identify root causes and recommend next-best actions.
• Intellifi Managed Wi-Fi Platform Cloud-managed Wi-Fi platform for communications service providers to monitor, manage, optimize, and monetize managed in-home Wi-Fi. Includes MeshView management tools and a mobile app for subscriber self-service, reducing support calls and truck rolls.
• Mosaic Network Controller Network management and control software for management of FSP optical networks providing discovery of network elements, service creation, alarm management, and integration with Mosaic Optical Director.
• Mosaic Cloud Platform Cloud-based network management platform for orchestration and automation of access and aggregation services.
• ALM Fiber Monitoring In-service fiber monitoring solution providing real-time visibility into fiber health across fiber, PON, and access networks. Detects breaks, degradation, and tampering without disrupting service with deep PON assurance beyond splitters to individual ONTs without reflectors.
• Oscilloquartz Timing and Synchronization Timing and synchronization solutions including optical cesium clocks, SFP grandmaster clocks, and White Rabbit support for precision timing in 10G and mobile networks. Enables sub-nanosecond synchronization for 5G, financial trading, and critical infrastructure applications.
• Ensemble Cloudlet Multi-Node Edge cloud platform for AI inference and agentic AI deployments at the network edge, available as vRouter, single-node, and multi-node configurations enabling automated setup and management of high-availability edge clouds.
• Quantum Shield Quantum-Safe Connectivity Service Quantum-safe private connectivity service for enterprises across Europe combining Layer 1 encryption up to 400Gbit/s with NIST-aligned post-quantum cryptography and real-time ALM fiber monitoring, targeting regulated industries under EU DORA and NIS2 requirements.
• Global Services Professional services including consulting and education, deployment services, cloud and software services, and support services for global customers.
• Adtran University Training and Certification Training and certification programs including Adtran Sales Professional (ASP), Adtran Technical Solutions Associate (ATSA), and Adtran Technical Solutions Professional (ATSP) certifications covering product knowledge, sales, and technical skills.

Quantifiable outcome

• 20-30% reduction in operating expenses for rural broadband deployments
• +3 more outcomes

Named customers9 records

Segments7 records

Ideal customer profiles7 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability8 records

Feature9 records

Partnerships

Twelve partnerships are on record, tiered core, minor and strategic.

• euNetworkscoreStrategic or Co-development Partner · 27 May 2026Launch of Quantum Shield, a quantum-safe private connectivity service for enterprises across Europe, built on Adtran's FSP 3000 optical transport platform with post-quantum cryptography aligned to NIST standards and real-time fiber monitoring through Adtran's ALM solution. Targets regulated industries requiring high security for data center interconnect.
• SoFiN ConsortiumminorStrategic or Co-development Partner · 26 May 2026EU-funded SoFiN (Software-enabled Fiber Optic Multisensing Network) project completed development of advanced optical fiber interrogator. Adtran part of consortium with NKT Photonics, Technical University of Denmark, CyRIC, and Friedrich-Alexander-Universität for multi-parameter sensing technology.
• GLDScoreTechnology or Integration · 8 May 2026Expanded partnership integrating Adtran's Intellifi managed Wi-Fi platform with GLDS's BroadHub billing system to deliver billing-driven, zero-touch automation for subscriber lifecycle management. Joint solution automates subscriber creation, service activation, and device changes across access and in-home Wi-Fi environments.
• NEC XONstrategicStrategic or Co-development Partner · 23 April 2026Partnership to deliver Managed Optical Fiber Networks (MOFNs) across Africa. NEC XON positions itself with Adtran to deliver managed optical solutions allowing enterprises to focus on core operations while gaining scalable, secure connectivity. Enables African markets to bypass legacy network models.
• ProRailcoreStrategic or Co-development Partner · 9 April 2026Dutch railway network operator deployed Adtran's ALM in-service fiber monitoring solution across 4,600km nationwide fiber backbone. Solution provides real-time 24/7 visibility into fiber health enabling proactive detection of issues affecting rail ICT systems for timetabling, incident management, and maintenance. Delivered in partnership with TrueCom.
• OIF (Optical Internetworking Forum)strategicTechnology or Integration · 15 March 2026Adtran participates in OIF multi-vendor interoperability demonstrations at OFC 2026, showcasing ZR+ coherent pluggable transceivers, FSP 3000 OLS, and Mosaic Network Controller interoperability across 40 member companies.
• Jackson County REMCcoreStrategic or Co-development Partner · 4 March 2026Rural electric co-op in southern Indiana selected Adtran to deploy fiber broadband technology across 10-county service area serving over 13,500 subscribers. Integrated solution combines fiber access platform, Wi-Fi 7 gateways, and Mosaic One SaaS to deliver multigigabit connectivity with up to 30% reduction in operating expenses.
• FiberCopcoreStrategic or Co-development Partner · 20 January 2026FiberCop, Italy's wholesale-only fiber operator, selected Adtran as technology partner for nationwide metro network rollout. Deployment uses FSP 3000 open optical transport platform, Mosaic Network Controller, and coherent 100ZR pluggable optics for 100Gbit/s and 400Gbit/s DWDM connectivity across major Italian cities. Partnership builds on over 20 years of collaboration.
• IBMcoreImplementation/ SI/ Consulting PartnerGlobal system integrator partnership for enterprise networking deployments. IBM provides system integration and consulting services incorporating Adtran's optical transport and access solutions for enterprise customers.
• NECcoreImplementation/ SI/ Consulting PartnerGlobal system integrator partnership for enterprise networking and 5G solutions. NEC integrates Adtran's optical networking technology into comprehensive enterprise and carrier solutions.
• OpenreachcoreTechnology or IntegrationOpenreach uses Adtran's SDX OLT platform to power approximately 30% of its Full Fibre network, providing future-proof fiber access infrastructure for UK broadband expansion.
• ColtstrategicStrategic or Co-development PartnerColt uses Adtran's FSP 3000 for quantum-secured encryption across metro and long-haul networks, providing enterprise customers with enhanced data protection using quantum-safe technologies.

Scale indicators10 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• Calix: Calix is the closest pure-play comparable to ADTRAN — broadband access platforms, subscriber premises equipment, and cloud-managed Wi-Fi targeted at Tier-2/Tier-3 service providers. Same go-to-market motion and overlapping product categories in residential gateways, OLTs, and managed Wi-Fi (Calix Smart Home, ADTRAN Intellifi).
• Ciena: Ciena is a direct peer in optical transport and coherent optics (400G/800G ZR/ZR+), DCI, and metro/long-haul networks. Both companies also compete in open, disaggregated optical line systems and pluggable coherent optics — the market ADTRAN's FSP 3000 and LiteWave800 target.
• Infinera: Infinera (now part of Nokia) was a direct competitor in optical transport and DCI with overlapping coherent pluggable optics and open line system products. Listed separately due to its historical identity as a direct optical networking peer to ADTRAN's FSP 3000 platform.
• Nokia: Nokia's Network Infrastructure group is the dominant vendor for Tier-1 fiber access, optical transport, and fixed networks. ADTRAN explicitly notes it does not target Nokia-led Tier-1 carrier accounts, making Nokia the most direct incumbent peer for fiber access and optical transport across the same customer base.
• Ribbon Communications: Ribbon Communications (formed via merger of GENBAND and Sonus Networks) provides IP/optical networking, voice, and security solutions to service providers. Competes with ADTRAN in carrier-grade networking and has overlap in packet optical transport and timing/synchronization.
• DZS (formerly DASAN Networks): DZS is a direct competitor in broadband access (OLTs, ONTs), subscriber premises equipment, and Wi-Fi gateways targeting Tier-2/Tier-3 service providers. Highly comparable customer base and product portfolio with ADTRAN, especially in North America.

Broad incumbents

• Ericsson: Ericsson provides telecom equipment and managed services for mobile and fixed networks, including fiber access and 5G transport. Broad incumbent with overlapping service provider customer base and similar reliance on global telecom capex cycles.
• Cisco: Cisco is a broad incumbent in service provider networking with overlapping portfolios in routing, optical, and enterprise networking (acquired Acacia Communications for coherent optics). Much larger and broader, but competes head-on in service provider routing and aggregation where ADTRAN's SDX 8000 is positioned.
• Juniper Networks (HPE): Now part of HPE, Juniper offers routing, switching, and AI-driven networking (Mist AI) for service providers and enterprises. Competes with ADTRAN's aggregation switches and AI-driven operations platform (Mosaic One vs Mist). Broader portfolio but overlapping in service provider edge routing.

Emerging players

• Coherent Corp: Coherent (formerly II-VI) is a major optical components and modules supplier, including coherent pluggable optics and laser components that compete with ADTRAN's LiteWave800 and Coherent ZR/ZR+ pluggables. Strong overlap in pluggable optics for AI data center interconnect.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ADTRAN
• YouTubeyoutube.com/@adtraninc
• Facebookfacebook.com/adtran.inc
• LinkedInlinkedin.com/company/adtran
• Instagraminstagram.com/adtraninc

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries2 records

Funding overview

Funding rounds2 records

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A5 records

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ADTRAN