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Epigram Licenses Patented Technology From Tut Systems.

Partnership Gives Epigram's iLine10 Chipset Backwards Compatibility With

1 Mbps HomePNA Specification

SUNNYVALE and PLEASANT HILL, Calif., April 7 /PRNewswire/ -- Tut Systems Inc. (Nasdaq: TUTS), a developer of high-speed Internet access systems, today announced an agreement covering patent licensing for Tut's HomeRun technology to fabless integrated circuit-vendor Epigram, Inc. Tut's 1 Megabit per second (Mbps) HomeRun(TM) technology has been selected by the Home Phoneline Networking Alliance (HomePNA) as its 1.0 specification.

Products based on the HomePNA standard allow consumers to create in-home networks of PCs and other devices over existing phone lines without interruption of voice services. Epigram's internally developed iLine10(TM) chipset family, enables home phoneline networks running at 10 Mbps. Epigram is licensing intellectual property rights from Tut Systems so iLine10 silicon can be functionally interoperable with products based on the HomePNA 1.0 implementations currently on the market.

Tut and Epigram are among the 11 founding members of the HomePNA, which aims to deliver easy-to-use, affordable, high-speed consumer networking solutions over existing telephone wires. Tut's HomeRun, has been licensed to more than 25 leading vendors in the technology industry including 3Com, AMD, AT&T Wireless, Compaq, Conexant, IBM, Intel, Lucent, Motorola and National Semiconductor.

Products currently on the market based on HomePNA's 1.0 specification -- including Compaq Presario Internet PCs, Diamond Multimedia's HomeFree, Linksys HomeLink and many others -- allow customers to set up cost effective in-home networks at 1 Mbps for connecting PCs and other devices to share Internet access, data and peripherals. The licensing agreement between Tut and Epigram ensures that future home networking products based on Epigram's iLine10 chipsets will be compatible with HomePNA 1.0 products currently on the market.

"Both Epigram and Tut are recognized leaders in the home networking market and we each bring unique and complimentary strengths to this partnership," said Jeff Thermond, President and CEO of Epigram. "By combining Epigram's expertise as a broadband chipset company with Tut's networking systems experience, together we can deliver a cost-effective, high performance home phoneline networking solution that not only provides the bandwidth for next generation broadband applications, but also provides seamless compatibility with today's home phoneline networking products."

"We are very excited about our collaboration with Epigram," said Matt Taylor, Co-founder and Chairman of the Board for Tut Systems. "Epigram's licensing of Tut's HomePNA 1.0 intellectual property rights will help ensure that future home networking technologies coexist with the broad array of products on the market today."

About Epigram

PC, consumer electronics and data communications vendors are lining up their devices to actively participate in the Internet revolution. Founded in 1996, Epigram supplies silicon chipsets that are easily embedded within a PC, modem, cable modem, set-top box, television or any other device with a need for Internet connectivity. The company's first products, iLine10 chipsets, use the existing phoneline and other impaired channels to uniquely create a high-speed network within any home and small office networking. The company's InsideLine(TM) local area networking technology gives consumers and small business owners a concurrent digital dial tone with their telephone service.

Additional Epigram information is available at

About Tut Systems, Inc.

Tut Systems designs, develops and markets advanced communications products which enable high-speed data access over the copper infrastructure of telephone companies, as well as the copper telephone wires in homes, businesses and other buildings. These products incorporate Tut's proprietary FastCopper technology in a cost-effective, scalable and easy to deploy solution to exploit the underutilized bandwidth of copper telephone wires. The Company's products include Expresso high bandwidth access multiplexers, associated modems and routers, XL Ethernet extension products and integrated network management software. Tut's HomeRun technology, an in-home application of FastCopper, has been chosen by the Home Phoneline Networking Alliance (HomePNA) as the initial specification for in-home networking over phonelines.

For more information, visit Tut's World Wide Web site at or contact Tut's US Headquarters directly at 925-682-6510 or 800-998-4888.

NOTE: Tut, the Tut logo, HomeRun and Fast Copper are trademarks of Tut Systems, Inc. All other products or company names mentioned are used for identification purposes only, and may be trademarks of their respective owners.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995 for Tut Systems, Inc.: Various matters set forth in this press release, such as statements relating to the planned deployment, expected performance characteristics, and specific uses of Tut Systems, Inc.'s products are forward-looking statements. These statements are subject to risks and uncertainties, including without limitation, the requirements of customers, the introduction of alternative technological solutions and other risks detailed from time-to-time in Tut Systems' SEC filings and reports.
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Publication:PR Newswire
Geographic Code:1USA
Date:Apr 7, 1999
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