Archive News Story
(Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
GPS Clock allows synchronization of wireless networks.
March 30, 2007 -
Mini-T(TM) GPS Clock features stable 10 MHz reference frequency and precision 1 PPS output along with automatic self survey mode and Superpackets(TM) technology for supporting timing applications. Combining GPS receiver, control circuitry, and ovenized oscillator on single compact board, it operates with Bullet(TM) III GPS antenna in hostile RF-jamming environments. Time-Receiver Autonomous Integrity Monitoring validates satellite signals received.
Archive Press Release
(Products mentioned in this Archive Press Release may or may not be available from the manufacturer.)
Release date: March 15, 2007
Trimble Introduces Mini GPS Clock for Precise Timing
Designed for OEMs to Embed Low-Cost, Precise Time and Frequency Capabilities
HANNOVER, Germany, March 15 // -- Trimble (NASDAQ:TRMB) introduced today a miniature Global Positioning System (GPS) disciplined clock for precise synchronization of wireless networks -- the Mini-T(TM) GPS Clock. Every wireless voice and data system requires its own unique slice of the radio spectrum. In order to optimize its assigned spectrum across very large geographical areas, wireless systems must be carefully timed and synchronized. Trimble's Mini-T takes GPS disciplined clocks to a new level of integration and provides a simple, cost effective and high performance solution in Trimble's smallest form factor to date.
The announcement was made today at CeBIT, the world's largest trade fair showcasing digital IT and telecommunications solutions for home and work environments.
GPS clocks provide superior performance for precise timing applications such as maintaining Code Division Multiple Access (CDMA) holdover specifications, Enhanced 911 (E911) location positioning using Time Difference of Arrival (TDOA), maximizing bandwidth for Wireless Local Loops (WLL), WiMax (wireless broadband connectivity) and broadcasting (DAB, DVB and VSAT). The Mini-T GPS Clock captures the features that these applications require, such as stable 10 MHz reference frequency and a precision 1 PPS output. An automatic self survey mode provides for a more accurate and stable reference source with faster recovery from power interruptions. Timing Superpackets(TM) technology from Trimble offers the user all of the timing information required by the host application, in an easy-to-use format.
GPS is used to discipline or calibrate the oscillator to remove small biases in the frequency. By eliminating a quartz oscillator's natural tendency to drift, the unit gives a long term stability that rivals atomic clocks. The Mini-T receiver takes this process to the next step by combining the latest in GPS receiver technology, control circuitry and high-quality ovenized oscillator on a single compact board that allows for higher reliability and lower cost. The Mini-T operates with Trimble's Bullet(TM) III GPS antenna in hostile RF-jamming environments often encountered at wireless network transmitter sites. In addition, Trimble's proprietary Time-Receiver Autonomous Integrity Monitoring (T-RAIM) carefully validates the satellite signals, ignoring inaccurate information that could interfere with the precision outputs.
"Wireless providers around the globe are in a phase of launching next generation data and voice services, all of which require sophisticated management of bandwidth allocation," said Karen Guldan, director of Trimble's Timing products. "The Mini-T disciplined clock provides an unprecedented level of integration that allows OEMs and system designers to embed a low-cost precise time and frequency reference to deliver products which maximize communications infrastructure investments."
The Mini-T GPS Clock is available now through Trimble's distribution network. It is also offered in custom frequencies and form factors and is RoHS-compliant. A starter kit is also available for customer evaluations.
About Trimble GPS Timing
With the expansion and upgrades of data and communications networks, Trimble GPS provides the pulse and frequency for some of the world's largest communications and computer networking companies. Trimble has deployed tens of thousands of GPS clocks into the field over the last decade. The Mini-T GPS Clock offers proven reliability and performance. Trimble offers precise time and frequency products for CDMA, TDMA, GSM, Broadband Wireless, TCP/IP and 3G applications. More than 28 years of experience allow Trimble to take GPS receivers and disciplined clocks to higher levels of integration and performance, providing a cost benefit to customers.
About Trimble
Trimble applies technology to make field and mobile workers in businesses and government significantly more productive. Solutions are focused on applications requiring position or location-including surveying, construction, agriculture, fleet and asset management, public safety and mapping. In addition to utilizing positioning technologies, such as GPS, lasers and optics, Trimble solutions may include software content specific to the needs of the user. Wireless technologies are utilized to deliver the solution to the user and to ensure a tight coupling of the field and the back office. Founded in 1978 and headquartered in Sunnyvale, Calif., Trimble has a worldwide presence with more than 3,400 employees in over 18 countries.
For more information Trimble's Web site at http://www.trimble.com/.
Source: Trimble
CONTACT: Media, Lea Ann McNabb
, +1-408-481-7808,
leaann_mcnabb@trimble.com of Trimble
Marketing:
Lea Ann McNabb
USA
Phone: 408-481-7808 E-mail this person Company Information: Name: Trimble Navigation Limited Address: 935 Stewart Dr. City: Sunnyvale State: CA ZIP: 94085-3913 Country: USA Phone: 408-481-8000 FAX: 408-481-7781 http://www.trimble.com
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