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Trimble Navigation Limited
935 Stewart Drive
Post Office Box 3642
Sunnyvale, CA 94085
1.408.481.8000 phone
1.408.481.7781 fax

  NEWS RELEASE

 
Trimble GPS Keeps UTStarcom's Wireless Access Network In Sync

SUNNYVALE, Calif., April 02, 2002 - Trimble (NASDAQ:TRMB) announced today that UTStarcom, Inc. (NASDAQ:UTSI), a leading provider of wireless, wireline and broadband access equipment, is using Trimble's Global Positioning System (GPS) timing products in their wireless access network system.
 
UTStarcom is integrating Trimble's AcutimeTM 2000 GPS smart antenna in its Personal Access System (PASTM) wireless access network to precisely and economically synchronize voice and data transmissions, and provide accurate system usage information.
 
Focused on the exploding Chinese telecommunications market, UTStarcom has rapidly become a leading network equipment manufacturer. Implementing a wireless local loop such as the PAS access network is often more cost effective than extending wirelines to every business and residence location. Currently, more than 3.0 million subscribers in Mainland China use UTStarcom's PAS technology to make voice and data connections every day.
 
The Acutime 2000 GPS smart antenna is connected to the system's GPS/Sync/Generator (GSG) to time sync the Radio Port Controller. The GPS smart antenna decodes the system's time and health messages for integrity and accuracy. Time synchronization is critical in order to provide minimal transmission errors, call duration billing, and network time usage information.
 
"Precise timing synchronization is essential to wireless access networks such as the PAS network," said Dennis Workman, vice president of Trimble's Component Technologies Division. "The Acutime 2000 helps both users and the service provider, keeping the system's base stations on the same time sequence and synchronizing call transfers to reduce transmission errors."
 
Trimble's Acutime 2000 GPS Smart Antenna
 
Trimble's Acutime 2000 GPS smart antenna is an easy to integrate, cost-effective and reliable time and position source. It includes a receiver, antenna, and power supply, all contained within the unit. Once the unit is powered up, the Acutime 2000 automatically tracks satellites and surveys its position to within meters. It then switches to overdetermined time mode and can generate a pulse-per-second-second (PPS) synchronized to UTC within 50 nanoseconds (one sigma). The unit outputs a timing packet for each pulse.
 
About UTStarcom's PAS
 
UTStarcom's PAS is a personal wireless access system which offers the consumer the convenience of a mobile phone with the cost advantages of a fixed-line phone. In contrast to the highly competitive and more costly mobile market, PAS has the advantage of a 69 gram, 800 hour standby/6 hour talk-time battery handset, with the additional potential for high-speed 64kpb/s data transmission, wireless email and Internet access, all at a lower cost to the consumer. UTStarcom's PAS provides city-wide mobile phone service for communities of up to several hundred thousand subscribers at traffic densities of upwards of 15,000 subscribers per square kilometer. The PAS system is designed to be integrated into the existing wireline network and does not require any modifications to the central office switch or incremental mobile switching hardware adaptations, enabling telephone service providers to efficiently and cost-effectively deploy wireless services for their customers.
 
About UTStarcom
 
UTStarcom designs, manufactures, sells and installs an integrated suite of future-ready access network and next-generation switching solutions. The Company enables wireless and wireline operators in fast-growth markets worldwide to offer voice, data, and Internet access services rapidly and cost-effectively by utilizing existing infrastructure. Founded in 1991 and headquartered in Alameda, California, UTStarcom manufactures the majority of its products at two ISO9002 certified facilities located in China, and maintains sales and customer support sites throughout Mainland China and in Iselin, NJ; Alameda, CA; Miami, FL; Taipei, Taiwan; Hong Kong; Tokyo; Tel Aviv, Israel and New Delhi, India.
 
For more information about UTStarcom, visit the company's website at
www.utstar.com.
 
About Trimble
 
Trimble is a leading innovator of Global Positioning System (GPS) technology. In addition to providing advanced GPS components, Trimble augments GPS with other positioning technologies as well as wireless communications and software to create complete customer solutions. Trimble's worldwide presence and unique capabilities position the Company for growth in emerging applications including surveying, automobile navigation, machine guidance, asset tracking, wireless platforms, and telecommunications infrastructure. Founded in 1978 and headquartered in Sunnyvale, Calif., Trimble has more than 2,000 employees in more than 20 countries worldwide.
 
For more
Acutime 2000 information.
 

Investor Relations:    Investor Relations of Trimble: 408-481-6914

Media Contact:    LeaAnn McNabb of Trimble: 408-481-7808



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