GERMANTOWN, Md., Aug 20, 2003 (BUSINESS WIRE) --

Dynamic Telecommunications (DTI), a PCTEL company, announced today that Schema has chosen DTI's claRiFy(TM) data collection system for its global wireless testing requirements. Schema is a leading global provider of optimization and planning solutions for wireless networks.

Schema has integrated DTI's claRiFy data system into its comprehensive planning and optimization solutions that produce optimal frequency plans and optimal configurations for cell parameters.

DTI's claRiFy system consists of innovative tools for propagation and interference measurements that enable wireless carriers to significantly increase their network performance and quality in both cellular and PCS bands. Key benefits include expanded network capacity, increased data throughput, decreased poor quality call percentage, and reduced call drop rate.

"We extensively evaluated the performance of data collection systems available in the marketplace," said Roni Abiri, Schema's CTO. "We found DTI's claRiFy system a good fit for Schema's stringent requirements based on its extensive dynamic range and sensitivity. This offering utilizes Schema's optimization engine in a highly efficient manner, so that our customers will realize improved performance from their network because they now have an integrated solution, complete with testing capabilities, that covers both planning and optimization needs."

Paul Kline, President of DTI stated, "DTI is pleased that Schema has chosen to use our claRiFy solution as a result of their extensive benchmarking. Schema is a leading provider of network optimization solutions, and they clearly understand the 2G and 3G technologies and the needs of operators. Recognition from such a market-leading expert validates our competitive advantage and our commitment to excellence."

DTI's claRiFy family of products are precise, sophisticated, and innovative wireless test and measurement tools. ClaRiFy reports actual measurements that enable carriers to improve quality of service and reduce capital expenditures. With this family of products, wireless carriers can maximize the efficient use of their spectrum across their wireless networks. The claRiFy system has completed extensive trials in both the United States and Europe and is expected to be commercially available in September 2003.

About Schema

Schema is a global provider of optimization and planning solutions for wireless carriers. The company has developed advanced optimization technology allowing carriers to realize optimal spectrum efficiency and more efficient network configuration. Combined with the company's wireless expertise and its commitment to deliver unique customer solutions, Schema's optimization capabilities allow wireless carrier's to achieve significant capital savings. The company was recently recognized by Deloitte and Touche as one of the fastest growing and most innovative high tech companies. Schema's solutions are deployed and benchmarked by leading wireless operators worldwide, including Verizon Wireless, Cingular Wireless, U.S. Cellular, BellSouth International, Cellcom Greenbay, Cellcom Israel and Pelephone Israel. For more information about Schema, visit the company's web site at www.schema.com.

About Dynamic Telecommunications

Dynamic Telecommunications was founded in 1995, and has rapidly grown to become a leading supplier of high-speed, multi-standard wireless test and measurement solutions. The DTI SeeGull(TM) family of wireless receivers are sold globally and are designed to work with all of the world's leading wireless protocols. Customer applications for DTI's products include drive test systems, site survey, base station monitoring, and radio propagation measurement for cellular, PCS, and other wireless networks. DTI also offers products geared toward the needs of government agencies for Intelligence, Military and Home Land Security applications. DTI, located in Germantown, Maryland, was recently acquired by PCTEL.

About PCTEL

PCTEL, founded in March 1994, is a leading provider of Wi-Fi and cellular mobility software, software-defined radio products and access technology. PCTEL's products include WLAN software products (Segue(TM) Product Line) that simplify installation, roaming, Internet access and billing. Through its subsidiary, DTI, the company designs, develops and distributes OEM receivers and receiver-based products that measure and monitor cellular networks. The company maintains a portfolio of more than 120 analog and broadband communications and wireless patents, issued or pending, including key and essential patents for modem technology. The company's products are sold or licensed to PC manufacturers, PC card and board manufacturers, wireless carriers, wireless ISPs, software distributors, wireless test and measurement companies, and system integrators. PCTEL headquarters are located at 8725 West Higgins Road, Suite 400, Chicago, IL 60631. Telephone: 773-243-3000. For more information, please visit our web site at: http://www.pctel.com.

Safe Harbor Statement

This press release contains "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995, including but not limited to, statements regarding the benefits of the company's claRiFy(TM) system, including the ability of wireless carriers to significantly increase their network performance and quality in cellular and PCS bands, the ability to enhance the quality of their existing infrastructure, and the ability to improve the accuracy of frequency planning and measurements, are forward-looking statements within the meaning of the safe harbor. These forward-looking statements are subject to known and unknown risks and uncertainties that could cause actual results to differ materially from those anticipated in any forward-looking statement. Factors that could cause or contribute to such differences include, but are not limited to, the success in marketing, licensing, selling and supporting these products and services, competition from other providers, and other risks and uncertainties as detailed from time to time in the company's filings with the Securities and Exchange Commission. These forward-looking statements are made only as of the date hereof and PCTEL disclaims any obligation to update or revise the information contained in any forward-looking statement, whether as a result of new information, future events, or otherwise.

SOURCE: Dynamic Telecommunications

Dynamic Telecommunications
Farnaz Ghadaki, 301-515-0036  ext. 146
fghadaki@dynatele.com
or
Schema Public Relations
Bruce Doneff, 201-966-6583
bruce@schema.com
or
PCTEL, Inc.
Jack Seller, 773-243-3016
jack_seller@pctel.com

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