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Extension Technology

Founded Year



Acquired | Acquired

Total Raised


About Extension Technology

Developer of a system, using both hardware and software, to allow computer networking between offices located in different cities. The system emulates an Ethernet LAN over inter-city telephone lines. The system delivers the equivalent service of private networks at fractional T1 performance at the cost of analog modem service.

Headquarters Location

30 Hollis Street

Framingham, Massachusetts, 01701,

United States


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Latest Extension Technology News

How Fiber Access Extension Technology Can Help Pay-TV Operators Unlock Multi-Tenant Connectivity

Jun 21, 2022

MDUs offer untapped potential for service providers and landlords who want to ensure that tenants have access to reliable and accessible broadband

Extension Technology Frequently Asked Questions (FAQ)

  • When was Extension Technology founded?

    Extension Technology was founded in 1990.

  • Where is Extension Technology's headquarters?

    Extension Technology's headquarters is located at 30 Hollis Street, Framingham.

  • What is Extension Technology's latest funding round?

    Extension Technology's latest funding round is Acquired.

  • How much did Extension Technology raise?

    Extension Technology raised a total of $3.39M.

  • Who are the investors of Extension Technology?

    Investors of Extension Technology include Microcom, ADD Ventures and Bessemer Venture Partners.

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