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U.S. Cellular Announces Technology Evolution Plan To Deploy 1XRTT Technologydate: December 20, 2001 United States Cellular Corporation announced its intention to deploy CDMA 1XRTT (Code Division Multiple Access) technology in all of its markets. This technology supports peak data speeds up to 144 kbps, and up to a doubling of voice capacity. The company already deploys CDMA in approximately 1/3 of its markets. The conversion to CDMA in the remaining 2/3 of its markets will start in early 2002 and should be completed in 2004. The approximate cost of the conversion will range from $400-$450 million spread over the three year period. Richard W. Goehring, Executive Vice President and Chief Technology Officer, said: "We have had the benefit of working with CDMA technology for many years. After reviewing all other technologies currently available we remain convinced that CDMA is the right path for our customers. Our investment in CDMA will significantly increase network capacity, reduce future capital outlays and enable us to provide data capacity very quickly. We will continue to support TDMA (Time Division Multiple Access) technology for the foreseeable future and will evaluate the use of GSM (Global Systems for Mobile Communications) technology on a case by case basis to ensure that U.S. Cellular can continue to best serve existing customers and roaming partners whenever possible." cdma2000 1XRTT is expected to significantly enhance data speed and capacity for Web browsing, m-commerce and live streaming video via the Wireless Internet. 1XRTT, the first phase of cdma2000, is designed to support 144 kilobits per second packet data transmission and to double the voice capacity of current generation CDMA networks.
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