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Telefônica Subscribers in Rio de Janeiro Experience High-Speed Data Applications Over a CDMA2000 1X Network

COSTA MESA, Calif., April 17, 2002 - Congratulating Telefônica Celular for the company's commercial roll out of CDMA2000 1X wireless services, Perry LaForge, executive director of the CDMA Development Group (CDG) (, today commented, "With Telefônica Celular's CDMA2000 network, consumers in Rio de Janeiro will be able to do more with wireless communications at much faster data speeds. Subscribers on Telefônica's network will now have access to 3G applications delivered at data speeds up to 144 kbps. The CDG applauds Telefônica for their leadership in delivering advanced wireless solutions to the area."

Telefônica Celular, which services more than 23 percent of the Brazilian market, will initially offer CDMA2000 1X services in Rio de Janeiro where the operator currently has market share of more than 63 percent. Telefônica will also offer its 1X services to 20 areas in the southern region of the city, as well as the downtown area and international and domestic airports.

Telefônica currently provides cdmaOne™ services to more than 4.7 million subscribers in Brazil's key markets including Rio de Janeiro, Espirito Santo, Bahia, Sergipe and Rio Grande do Sol.

Telefônica is the second operator to launch next-generation services based on CDMA2000 1X technology in Brazil. Telesp Celular introduced its CDMA2000 1X services in Sao Paulo in December 2001. Six other operators in Latin America will be deploying CDMA2000 this year. These operators are SmartCom PCS in Chile; Centennial in Puerto Rico and Dominican Republic; Telecel and Movilnet in Venezuela; and Pegaso in Mexico.

Today there are 12 commercial CDMA2000 networks delivering 3G services to more than 6 million subscribers in Asia, Europe, and North and South America.

***cdmaOne is a trademark of the CDG