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5Copyright © 2004 Nokia. All rights reserved.
1. Introduction
With the Nokia Wireless GPS Module, you can determine your current position
and direction easily. The GPS module is a battery-operated device that uses
Bluetooth wireless technology to communicate positioning information to
compatible mobile phones, PCs, PDAs, and other devices.
Read this user guide carefully before using the GPS module. Check also http://
www.nokia.com/support or your local Nokia Web site for the latest version of this
guide, additional information, downloads, and services related to your Nokia
product.
■ Global Positioning System
The Global Positioning System (GPS) is a worldwide satellite-based radio
navigation system.
A GPS terminal can calculate its location to an accuracy of 25 meters. The
accuracy depends on the number of satellites, the signals of which the GPS
module receives. In optimal conditions, the accuracy may be within a few meters.
The antenna of the GPS module is located under the Nokia logo, and it should face
upwards. Some car windshields and windows may contain metal, which may block
or weaken the satellite signals.
If you stand still, GPS cannot detect which way you are facing, because it
determines your direction on the basis of your movement.