Intertek Testing Services' ETL SEMKO Division Selects Spirent's 3G Test Solution; ITS ETL SEMKO will Utilize Spirent Test Solutions for CDMA2000 Mobile Certification.

Business Editors/Hi-Tech Writers

CTIA Wireless 2002

ORLANDO, Fla.--(BUSINESS WIRE)--March 18, 2002

Spirent Communications(TM), a wholly owned business group of Spirent plc (NYSE:SPM), today announced that Intertek Testing Services' ETL SEMKO division, (ITS ETL SEMKO), a leading testing organization, will use the Spirent C2K-ATS CDMA2000 Automatic Test System as the primary test platform for its qualification of CDMA2000 and IS-95 mobile devices.

ITS ETL SEMKO now will be able to expand its wide range of mobile terminal testing services to include CDMA2000 products. ITS ETL SEMKO will utilize Spirent's C2K-ATS system to assist terminal manufacturers in assuring that their products perform in accordance with the CDMA mobile minimum performance specifications. Spirent's C2K-ATS is the only commercially available system that enables both automated CDMA2000 physical layer and protocol layer performance testing in a single platform. This industry-standard Spirent solution will enable ITS ETL SEMKO to provide the most efficient 3G wireless certification services to its customers

"The addition of the Spirent's C2K-ATS to our lab will enable us to fully serve our wireless clients with the CDMA testing they need and the quality reporting they have come to expect from ITS ETL SEMKO," said Gregg Tiemann, vice president at ITS ETL SEMKO. "ITS ETL SEMKO has a long history of supporting the Cellular Telecommunications & Internet Association (CTIA) in their TDMA and CDMA test programs and we look forward to doing our part in helping to accelerate 3G technology rollout. Partnering with Spirent Communications will give ITS ETL SEMKO access to the industry's most advanced solutions and a pool of test expertise, which will enable us to thoroughly validate 3G mobile device performance."

ITS ETL SEMKO has been providing CDMA testing services to the wireless handset industry since 1997, using 2G test systems from Spirent Communications. ITS ETL SEMKO has been pre-qualified to be a CTIA Authorized Testing Laboratory (CATL). Qualified labs will participate in the CTIA's Handset Certification Program.

"Spirent is committed to accelerating the deployment of next-generation wireless services," said Rob Van Brunt, director of wireless product marketing for Spirent Communications. "We are is proud to be associated with a key testing facility such as ITS ETL SEMKO that will help 3G wireless equipment manufacturers and service providers take 3G wireless from concept to reality."

Spirent solutions exceed the stringent equipment requirements contained in the IS-98D and CDG Stage 2 minimum performance specifications for mobile devices. The C2K-ATS test system includes a series of integrated Spirent instruments including the AirAccess C2K CDMA Network Emulator, TAS4500 FLEX5 RF Channel Emulator, TAS CIL CDMA2000 Interference Lab and the TAS5048 Test Configuration Unit.

A TASKIT/C2K test executive integrates the instruments to provide automated test execution and results logging. Test automation is enabled by the Spirent Universal Diagnostic Monitor (UDM).

About ETL SEMKO

ETL SEMKO is a division of Intertek Testing Services Ltd., the world's largest product and commodities testing organization, which operates 253 laboratories and 507 offices in 98 countries throughout North America, Europe and Asia.

ITS ETL SEMKO provides product safety testing and certification, EMC testing, performance testing and quality management systems registration for global clients in such industries as medical, HVAC, appliances, telecommunications, aerospace, automotive, semiconductor, building products and power generating systems.

ETL SEMKO offers a full range of wireless testing encompassing CDMA, AMPS and TDMA technologies. Our evaluation capabilities include Stage 1 CTIA testing, ERP, FCC regulatory and SAR test suites. The combination of these evaluation services provides manufacturers and service providers with the relevant information needed for product design and deployment.

For more information about ETL SEMKO's services, call 1-800-967-5352 or visit www.etlsemko.com.

About Spirent Communications

Spirent Communications unites the best in performance analysis technology with network operations expertise. The company's award-winning solutions enable customers to accelerate the development, deployment and assurance of next-generation network equipment and services worldwide.

Spirent Communications designs and manufactures Adtech, DLS, Edgcumbe, GSS, Hekimian, SmartBits, TAS and Zarak products.

More than 2,500 of the world's leading network and terminal equipment manufacturers, network service providers, corporate enterprises and test laboratories rely on our first-to-market products to verify and measure the performance and services of networks and communications devices.

Spirent plc is listed on the London Stock Exchange (ticker: SPT.). The company is also listed on the New York Stock Exchange through a Level 2 American Depository Receipt program, through which one ADR represents four Spirent shares (ticker: SPM; CUSIP number: 84856M209). Further information about Spirent plc can be found at www.spirent.com.

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

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