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cdmaOne™ Roaming Service Expands; US And Mexico Subscribers To Experience Seamless Wireless Communications

World's Largest Roaming Border Covered By cdmaOne

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COSTA MESA, Calif., March 3, 1999 - The CDMA Development Group (CDG) today announced that cdmaOne subscribers in the United States (US) and Mexico can seamlessly roam between the two countries on both PCS and cellular networks. With a combined population of 273 million, the US and Mexico share the world 's largest roaming border, stretching more than 2,000 miles. In May, 1998, GTE Wireless and Baja Celular announced a partnership that enabled the handoff of calls in progress between the cell sites in GTE's San Diego market and Baja's Tijuana service area.

With over 60,000 people crossing the world's busiest international border at San Diego/Tijuana every day, this seamless roaming capability allows cdmaOne subscribers to enjoy continuous use of their phones without dropping a call that is in place as they move from one country into the other. For PCS subscribers, the recently announced roaming agreement between Sprint PCS of the US and Mexico 's Pegaso PCS will bring nationwide access to Mexico and the US for the subscribers of the two 100 percent digital, 100 percent PCS carriers. This agreement will start with San Diego/Tijuana coverage and expand as Pegaso's network continues to rollout across Mexico.

"The fact that cdmaOne covers the world's largest roaming border for both cellular and PCS is indicative of global operators' continued response to the millions of subscribers who desire automatic roaming without the loss of voice clarity and the advanced features of their CDMA digital phone. Carriers benefit from the security aspect of CDMA technology that minimizes the risk of cloning fraud so prevalent with AMPS technology," said Perry LaForge, executive director of the CDG.

"cdmaOne deployment is rapidly advancing around the world, and international roaming agreements are emerging as networks are coming on-line and the number of subscribers continues to escalate. We expect to see a rise in the number of agreements across Asia and Latin America for regional inter-country roaming as well as world-wide coverage."