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Before You Buy

Start here to become a well-informed shopper. We'll help you get the right GPS product for your needs, at the right price.

iPhone 5 GPS and Navigation
GPS and turn-by-turn navigation features of the Apple iPhone 5. Navigation features of the iOS 5 operating system.

GPS Watch Basics
How to use a GPS watch to make the most of your fitness and training time. Using a GPS watch for running or bike racing.

Before You Rent GPS With a Rental Car
Most major rental car companies offer GPS for an additional daily or weekly fee. Here's a comparison of products and services.

How to Buy an In-car GPS
Here's how to find the unit that best meets your needs, at the best price.

In-car GPS Price and Feature Comparison
It can be challenging to find your way through the maze of in-car GPS features to find the unit you want at a price you can afford. Here is a representative sampling of in-car GPS units and their features as you go up the price scale.

Price and Feature Comparison Chart for In-car GPS
Comparison chart showing features available in GPS in-car units relative to price range.

Hike, Bike, and Run with Handheld and Fitness GPS
Handheld GPS devices are ideal for hiking in the backcountry or for tracking your fitness activites. Here's the latest on outdoor GPS options.

What GPS Can Do For You
GPS in your car, on the trail, for sports and fitness; on the water, and in the air.

GPS in Mobile Phones, Online and More
While GPS is best known for in-car navigation assistance, the technology is constantly being built into new devices and services.

Improve Your Game with Golf GPS
Here's a roundup of how-to articles, and reviews of dedicated handheld golf GPS devices and smartphone and iPhone golf GPS apps.

Rental Car GPS
Most major rental car companies offer GPS for an additional daily or weekly fee. Here's a comparison of products and services.

How GPS Works
The Global Positioning System (GPS) is a technical marvel made possible by a group of satellites in earth orbit that transmit precise signals, allowing GPS receivers to calculate and display accurate location, speed, and time information to the user.

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