3 Italy Purchases Additional Digital Lightwave NIC Products

    Business Editors/Technology Editors

    CLEARWATER, Fla.--(BUSINESS WIRE)--Feb. 3, 2005--Digital Lightwave(R), Inc. (Nasdaq:DIGL), a leading provider of optical networking technology and test instruments, today announced that 3 Italy, has purchased additional Digital Lightwave Network Information Computer(R) (NIC(R)) 2.5G(R) test instruments.
    3 Italy is a rapidly expanding mobile telephone and mobile video operator. Headquartered in Milan, 3 Italy deployed the first 3rd Generation (3G) Mobile Telephone Network utilizing UMTS in Europe.
    The NIC products provide bit-error rate testing and protocol analysis of SONET, SDH, PDH, ATM, and Ethernet as well as the latest in NextGeneration and DWDM technologies. The 3 Italy network utilizes all of these capabilities. Special ATM over SDH features enable the NIC to rapidly locate anomalies and trouble leading to a quick resolution of problems.
    "We're pleased that 3 Italy has validated our products and technology," said Michael Riddick, Senior VP of International Sales at Digital Lightwave. "We continue to leverage our reputation as a leader in SONET/SDH and ATM testing products and comprehensive technical support."

    About Digital Lightwave, Inc.

    Digital Lightwave, Inc. provides the global communications networking industry with products, technology and services that enable the efficient development, deployment and management of high performance networks. Digital Lightwave's customers -- companies that deploy networks, develop networking equipment, and manage networks -- rely on its offerings to optimize network performance and ensure service reliability.
    Editor's Note: Digital Lightwave(R), Network Information Computer(R), NIC(R), and NIC 2.5G(R) are registered trademarks of Digital Lightwave, Inc.

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CONTACT: Digital Lightwave, Clearwater Corporate Communications Pauline Daninos, 727-442-6677

KEYWORD: FLORIDA ITALY INTERNATIONAL EUROPE INDUSTRY KEYWORD: HARDWARE TELECOMMUNICATIONS SOFTWARE NETWORKING PRODUCT SOURCE: Digital Lightwave, Inc.

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