GPS Press Releases

4/7/2008 - Spirent® Announces Industry's First L1/L2 GLONASS Simulation System

Spirent Adds GLONASS L2 Simulation to New GSS8000 Platform

PAIGNTON, England - Spirent Communications plc (LSE:SPT), a global provider of performance analysis and service management solutions, today announced the addition of GLONASS L2 test capability to its new GSS8000 simulation system which already supports GLONASS L1 simulation. This establishes the GSS8000 as the industry's first simulation system to support GLONASS L1 and L2 commercial signals.

Spirent has supported the GLONASS L1 signal in its simulation systems for many years. With this launch, GLONASS L1/L2 capability will be available both in a stand-alone system and also in combination with GPS and/or Galileo signals.

Simulation of GLONASS and other GNSS signals is acknowledged as the best way of testing receivers, systems and application performance. Only laboratory simulation can ensure controlled repeatable testing that explores both nominal and off-design conditions. By following a structured test approach, our customers can test GLONASS L1 and L2 receivers, together with GPS and Galileo, resulting in products or systems that are quicker to develop, more resilient and have higher performance.

"Recent announcements on the expansion of the GLONASS system have generated real interest in what GLONASS can offer to the GNSS community," said John Pottle, marketing director for Spirent's Positioning Technology division. "With the addition of GLONASS L2 signal to our existing L1 capability, we have achieved another Spirent 'first,' underlining Spirent's commitment to invest in test solutions covering all GNSS systems and signals. In addition, the GSS8000 architecture supports simulation of the GLONASS L3 signal in future."

Visit Spirent and learn more about this announcement at the International Satellite Navigation Forum in Moscow, 7- 8 April.

About Spirent's Positioning Technology Division
Spirent is the world's leading provider of GNSS test and simulation systems. In this capacity, Spirent is the first choice of major manufacturers, integrators, test facilities and space agencies worldwide for GNSS testing and simulation solutions. Today, Spirent simulation systems are used throughout the world through a broad range of clients in more than 30 countries across five continents and in over 50 governmental agencies. Spirent delivers navigation and positioning testing equipment and services to all sectors of the navigation and positioning community, from government agencies through to emerging commercial markets.

About Spirent Federal Systems
Spirent Federal Systems ( was formed in July 2001 by Spirent Communications as a wholly owned subsidiary and United States proxy company. Spirent Federal markets and sells products in North and South America with value-added features and ongoing customer support. Spirent Federal Systems is headquartered in Yorba Linda, Calif., with support and sales offices throughout the US.

About Spirent Communications plc
Spirent Communications ( is a global provider of integrated performance analysis and service assurance systems that enable the development and deployment of next-generation networking technology such as Internet telephony, broadband services, 3G wireless, global navigation satellite systems, and network security equipment. Spirent Communications' solutions are used by more than 1,700 customers in 30 countries, including the world's largest equipment manufacturers, service providers, enterprises and governments. Based in Sunnyvale, CA, Spirent Communications has 1,500 employees worldwide.

Spirent Communications plc Ordinary shares are traded on the London Stock Exchange (ticker: SPT). The Company operates a Level 1 American Depositary Receipt ("ADR") program with each ADR representing four Spirent Communications plc Ordinary shares. The ADRs trade in the US over-the-counter ("OTC") market under the symbol SPMYY and the CUSIP number is 84856M209. Spirent Communications' sales to the United States government are made through Spirent Federal Systems Inc.

Spirent, Spirent Communications and the Spirent logo are trademarks or registered trademarks of Spirent Communications plc. All other trademarks or registered trademarks mentioned herein are held by their respective companies. All rights reserved.

This document may contain forward-looking statements which are made in good faith and are based on current expectations or beliefs, as well as assumptions about future events. You can sometimes, but not always, identify these statements by the use of a date in the future or such words as "will", "anticipate", "estimate", "expect", "project", "intend", "plan", "should", "may", "assume" and other similar words. By their nature, forward-looking statements are inherently predictive and speculative and involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future. You should not place undue reliance on these forward-looking statements, which are not a guarantee of future performance and are subject to factors that could cause our actual results to differ materially from those expressed or implied by these statements. The Company undertakes no obligation to update any forward-looking statements contained in this document, whether as a result of new information, future events or otherwise.


Spirent Communications
John Pottle
Divisional Marketing Director
+44 1803 546 371
Sailaja Tennati, 770-432-3225

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