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


Trimble Introduces the Lowest Power GPS
for Portable Applications

GPS Positioning at Only 3.3 Volts

WASHINGTON, April 20, 1999 -- With the goal of providing the lowest power GPS for portable devices, Trimble (NASDAQ:TRMB) introduced today its Lassen™ LP GPS module. The Lassen LP GPS is a high-performance, micro GPS receiver that uses only 3.3 volts. The receiver adds GPS location with minimal impact on a portable device's battery life.
The announcement was made at the 1999 Intelligent Transportation Society of America Conference and Exposition.
"The Lassen LP GPS is the result of a significant research and development effort combined with our experience in the field," said Joel Avey, Trimble's OEM product manager. "The receiver's innovative power management tools work with the battery, not against it, which ultimately means more power for your portable application."
The Lassen LP GPS module was designed specifically for system integrators developing next generation portable devices such as PDAs, notebook computers, cellular phones, data recorders, in-car navigation and vehicle tracking systems as well as portable instrumentation units. Its innovative power management tools and small size give developers flexibility to achieve significant reductions in power consumption. The integrator can now determine the best balance between operational frequency and power conservation for a particular application. Because of its micro-sized board, the integrator can easily fit GPS functionality into portable products.
Trimble's Lassen LP GPS power management tools offer two operating modes. Cycle Track™ mode allows the developer to reduce the GPS data rate to save battery life. The receiver maintains track on the satellites but cycles the power to a portion of the receiver to reduce power demand. This light sleep mode lowers the power requirement by 50% and outputs position data every few seconds.
The second operating mode, Schedule Track™, allows developers to power up and quickly acquire satellites to give GPS position data according to a schedule. After gathering satellite data and computing its location, the receiver can be directed to power down to a minimal mode of operation for a programmed interval or until it is awakened by the touch of a button. Schedule Track offers the lowest power consumption in a deep sleep mode but provides position data as quickly as possible when needed.
Development kits include: the Lassen LP GPS module mounted on interface board in a durable metal enclosure, a magnetic mount antenna, an AC/DC power adapter, a serial interface cable, a reference manual, and GPS toolkit software for communication with the GPS module.
The Lassen LP GPS module and developers kit is anticipated to be available in June 1999 through Trimble's worldwide sales organization.
About Trimble
Trimble is a world leader in designing and developing innovative products enabled by GPS technology. The company provides end-user and OEM solutions for diverse applications including surveying, mapping/GIS, agriculture, mining, military, commercial aviation, automotive, vehicle tracking and timing. Founded in 1978, Trimble now holds more than 200 U.S. patents on GPS and related technology, with over 180 additional patents pending. Located in Sunnyvale, Calif., Trimble has been adding value to GPS since 1984.

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

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