PCTEL's Private Label Segue™ Roaming Client Selected for T -Mobile® Hotspot Service

Country's Largest Carrier-Owned Wi-Fi Service Chooses PCTEL's Segue™ Roaming Client

Chicago, Illinois - March 15 2004 - - PCTEL, Inc. (Nasdaq:PCTI), a leader in wireless solutions, announced today a licensing agreement to provide its private label version of the Segue™ Roaming Client software to T -Mobile USA, Inc. for use with its T -Mobile Hotspot service.

By installing the software onto a notebook computer, T -Mobile HotSpot customers will be able to automatically detect, connect and log on at more than 4,200 T -Mobile HotSpot locations across the country. The Segue™ Roaming Client also includes support for multi -mode client software that will allow users to roam between multiple technologies, including Wi -Fi, GPRS, EDGE and Ethernet.

"We are very pleased that T -Mobile chose our Segue™ Roaming Client as the basis for the new T -Mobile Connection Manager. T -Mobile's HotSpot service is the largest carrier -owned Wi -Fi network in the country with more than 4,200 HotSpot locations nationwide," said Marty Singer, Chief Executive Officer of PCTEL. "To have the support of the first and most experienced wireless carrier to provide Wi -Fi service in the U.S. is a vote of confidence for our product," continued Singer.

T -Mobile USA is the latest of several wireless operators to have selected PCTEL's Segue™ Roaming Client. The Segue™ Roaming Client provides mobile users secure, seamless access and roaming capabilities across Wi -Fi and cellular data networks. The Segue™ Roaming Client enables rapid scanning of available networks and a user -friendly connection process. The client has also been bundled with 802.11 chipsets and licensed to major carriers within and outside the U.S.

The terms of the agreement were not disclosed.

PCTEL (Nasdaq:PCTI), founded in March 1994, dedicated to wireless excellence,is a leading provider of Wi -Fi and cellular mobility software, software -defined radio products and access technology. PCTEL's Segue™ software products simplify installation, roaming, Internet access and billing. Its DTI product portfolio of OEM receivers and receiver -based products, measure and monitor cellular networks. MAXRAD designs, distributes, and supports innovative antenna solutions that facilitate and simplify wireless communications. PCTEL protects its leadership position with a portfolio of more than 130 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, 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.

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