Adtran

{{Short description|American telecommunications equipment company}} {{Infobox company | name = Adtran, Inc. | logo = Adtran logo.svg | image = Adtran Huntsville HQ.jpg | image_caption = Headquarters – Huntsville, Alabama, United States | type = Public | traded_as = {{NASDAQ|ADTN}} {{FWB|QH9}} SDAX component | ISIN = {{ISIN|sl=n|pl=y|US00486H1059}} | industry = {{ubl|Telecommunications|Fiber Networking|Voice and Data Equipment}} | founded = {{start date and age|1985}}<ref>{{Cite web |url=https://finance.yahoo.com/q/pr?s=ADTN |title=ADTRAN, Inc. (ADTN) Company Profile & Facts – Yahoo Finance}}</ref> | location = 20px Huntsville, Alabama,<ref>[http://www.adtran.com/ About Us]; TBE website; retrieved April 25, 2007</ref> US | key_people = Tom Stanton (CEO) | revenue = {{increase}} US$922.7 Million (''FY 2024'')<ref name="ADTRAN 2024 10-K">{{Cite web |url=https://www.sec.gov/Archives/edgar/data/926282/000095017025031056/R4.htm |title=ADTRAN, Inc. (ADTN) 2023 Annual Report Form (10-K)}}</ref> | operating_income = {{decrease}} US$-417.1 Million (''FY 2024'')<ref name="ADTRAN 2024 10-K" /> | net_income = {{decrease}} US$-441.0 Million (''FY 2024'')<ref name="ADTRAN 2024 10-K" /> | assets = {{increase}} US$1.179 Billion (''FY 2024'')<ref name="ADTRAN 2024 10-K" /> | equity = {{decrease}} US$134.4 Million (''FY 2024'')<ref name="ADTRAN 2024 10-K" /> | num_employees = 1405 <ref>{{Cite web |url=https://www.adtran.com/social |title=Adtran Social}}</ref> | parent = ADTRAN Holding | footnotes = | website = {{URL|http://adtran.com}} }}

'''Adtran, Inc.''' is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities.

== History == Adtran was founded in 1985 by Mark C. Smith,<ref name=notice>{{cite news |title=Mark C. Smith |url=http://obits.al.com/Huntsville/DeathNotices.asp?Page=LifeStory&PersonId=86989971 |work=The Huntsville Times |date=March 29, 2007 |access-date=2007-06-21}}</ref> Lonnie S. McMillian,<ref>"[http://www.crn.com/networking/198701242;jsessionid=JB41OBC4UUUHEQSNDLPCKHSCJUNN2JVN ADTRAN Co-Founder, Chairman Passes Away] {{webarchive|url=https://web.archive.org/web/20071119084052/http://www.crn.com/networking/198701242%3Bjsessionid%3DJB41OBC4UUUHEQSNDLPCKHSCJUNN2JVN |date=November 19, 2007 }}"</ref> and Larry Owen, and began operations in 1986, following the AT&T divestiture of the Regional Bell Operating Companies (RBOCs). It supplied network equipment to both the RBOCs and independent telephone companies in the United States.<ref>{{Cite web |title=About Adtran |url=https://www.adtran.com/about |access-date=October 21, 2022 |website=www.adtran.com}}</ref>

In 2006, Adtran acquired Luminous Networks, a manufacturer of access network equipment. In 2011, it acquired Bluesocket, a maker of enterprise Wi-Fi equipment based in Burlington, Massachusetts. In 2012, it acquired Nokia Siemens Networks' broadband access business based in Germany. In 2016, it acquired CommScope's active fiber business.<ref>{{cite web |title=ADTRAN Acquires Bluesocket – Leading Innovator in Virtual Wireless LAN Solutions |url=https://www.businesswire.com/news/home/20110809005493/en/ADTRAN-Acquires-Bluesocket-%E2%80%93-Leading-Innovator-Virtual |website=www.businesswire.com |language=en |date=August 9, 2011}}</ref><ref>{{cite web |title=ADTRAN to acquire Nokia Siemens Networks fixed line Broadband Access business |url=https://connect-world.com/adtran-to-acquire-nokia-siemens-networks-fixed-line-broadband-access-business/#:~:text=ADTRAN%C2%AE%2C%20Inc.%2C%20%28NASDAQ%3AADTN%29%2C%20a%20leading%20provider%20of%20next-generation,and%20associated%20professional%20services%20and%20network%20management%20solutions. |website=Connect-World |date=December 12, 2011}}</ref> In 2018, Adtran acquired connected home software provider SmartRG from Vancouver, WA.<ref>{{cite web |title=StackPath |url=https://www.lightwaveonline.com/business/mergers-acquisitions/article/16675940/adtran-acquires-connected-home-software-provider-smartrg |website=www.lightwaveonline.com|date=6 December 2018 }}</ref>

In 2021, Adtran entered into a business combination with ADVA Optical Networking, a cloud and mobile services networking company based in Munich and Meiningen in Germany.<ref>{{cite web |title=ADTRAN Holdings Announces Closing of Business Combination with ADVA |url=https://www.sec.gov/Archives/edgar/data/926282/000119312521260059/d210774dex21.htm|website=www.sec.gov}}</ref> In 2022, Adtran acquired the remaining shares of Cambridge Communication Systems (CCS) Limited, a developer of wireless backhaul and transport systems for small cells. It offers an mmWave Gigabit fiber extension system along with web-based management software for planning, configuring and monitoring networks. In 2024, Adtran self-certified itself "Buy America-compliant" with the U.S. Department of Commerce. This list acts as a reference for communications service providers applying for Broadband Equity Access and Deployment (BEAD) funding.<ref>{{cite web |title=Adtran added to U.S. Department of Commerce self-certification list of BABA-compliant vendors |url=https://www.commerce.gov/sites/default/files/2024-07/BABA_Self_Certification_List.PDF |website=www.commerce.gov}}</ref>

== Notable products == 50G PON: Adtran's implementation of 50Gbit/s passive optical network (PON) technology includes its SDX 6400 Series of optical line terminals.

Quantum key distribution (QKD): In collaboration with Orange, Adtran demonstrated a 400Gbit/s data transmission system using QKD. The hybrid approach integrated quantum-safe encryption with classical cryptographic methods to secure data across a 184 km system.

Optical cesium atomic clocks: Adtran's Oscilloquartz division has introduced atomic clocks that leverage optical pumping technology. The improved accuracy and stability of these devices exceed the current ITU-T G.811.1 Enhanced Primary Reference Clock (ePRC) specification. The current highest-end clocks in this range can combine with core grandmaster devices to maintain 100 nanosecond precision for up to 100 days.

Mosaic One: Mosaic One is a cloud-based software-as-a-service platform that aggregates data from management systems, broadband access and in-home devices to support network operations and customer care.

== Locations == Adtran's corporate headquarters is located in Huntsville, Alabama, in Cummings Research Park.<ref name="BWHG100">{{cite news |date=2021 |title=2021 Adtran 10-K |work=10-K |url=https://d18rn0p25nwr6d.cloudfront.net/CIK-0000926282/a68469be-e2eb-46c2-87a9-1e80a1b8ae37.pdf |access-date=October 21, 2022}}</ref> It has international offices located in:<ref>{{Cite web |title=Adtran 2021 Annual Report |url=https://s22.q4cdn.com/718573125/files/doc_financials/annual_reports/2021/2021_Annual_Report_.pdf |access-date=October 21, 2022 |website=adtran.com/investor relations}}</ref> * Melbourne, Australia * Berlin and Greifswald, Germany * Hyderabad, India * Tel Aviv, Israel * Milan, Italy * Riyadh, Saudi Arabia * Bratislava, Slovakia * Tunis, Tunisia * Basingstoke, Hampshire, United Kingdom * Adastral Park, Ipswich, United Kingdom * Gdynia, Poland * Warsaw, Poland * Munich, Bavaria, Germany * York, North Yorkshire, United Kingdom

== Merger with ADVA Optical Networking == Adtran's 2022 business combination with ADVA expanded its portfolio to include end-to-end data transport products, complementing its existing focus on access networking equipment. The merger also gave Adtran ownership of ADVA's subsidiary, Oscilloquartz, a manufacturer of timing and synchronization solutions{{buzzword-inline|date=April 2025}} based in Switzerland.

== Certifications == Adtran is certified for ISO 9001, ISO 14001, ISO 27001 and TL 9000.<ref name=":0">{{Cite web |date=October 21, 2022 |title=2021 10-K |url=https://d18rn0p25nwr6d.cloudfront.net/CIK-0000926282/a68469be-e2eb-46c2-87a9-1e80a1b8ae37.pdf |access-date=October 21, 2022 |website=Adtran.com Investor Relations}}</ref>

== References == {{Reflist}}

== External links == * {{Official website|http://www.adtran.com/}}

Category:Companies based in Huntsville, Alabama Category:Telecommunications companies of the United States Category:Networking companies of the United States Category:Networking hardware companies Category:Companies listed on the Frankfurt Stock Exchange Category:Companies listed on the Nasdaq Category:Companies formerly in the MDAX Category:American companies established in 1986 Category:1986 establishments in Alabama Category:Computer companies of the United States Category:Computer hardware companies