SCIENCETECH · HISTORICAL MARKER
Development of CDMA for Cellular Communications
San Diego, California · 1989
Science & Tech
4
On 7 November 1989, Qualcomm publicly demonstrated a digital cellular radio system based on Code Division Multiple Access (CDMA) spread spectrum technology, which increased capacity, improved service quality, and extended battery life. This formed the basis for IS-95 second-generation standards and third-generation broadband standards that were applied to cellular mobile devices worldwide.
PHOTOS
Photo: Craig Baker
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San Diego, California · USA
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