6/17/2002 - Datum Inc., (Nasdaq: DATM) a leading global supplier of carrier-class synchronization solutions, has introduced a Code Division Multiple Access (CDMA) option for its TymServe™2100 network timeserver. The CDMA receiver, embedded in the TymServe™2100, acquires time from CDMA base stations instead of directly from GPS satellites. As a result, no rooftop antenna, which is susceptible to lightning and other risks, is required. This approach essentially eliminates installation costs of the system, as there is no antenna cable to run and no periodic maintenance of the antenna and cabling due to weather or other events. Utilizing the same signals as cellular telephones, CDMA base stations act as repeaters for GPS signals, thereby eliminating "urban canyon" affects that can degrade GPS performance in densely populated areas. TymServe™2100 only requires the time elements of CDMA, making this a stable and reliable time source, specially suited for urban areas.
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