What To Look For
Garmin manufacturers GPS units for such sports as hiking, cycling, golf and running. Some are navigational units, while some track sport-specific performance stats like speed, distance and vertical gained. The Garmin unit should be based around a high-sensitivity GPS receiver. Handheld navigation units come in both mapping and basic routing models. If you intend to measure altitude and vertical, opt for a Garmin unit equipped with a barometric altimeter, which provides a more accurate elevation reading than GPS alone. For GPS fitness monitors and watches, look for ANT + compatibility, which allows for wireless accessories like heart rate monitors and cadence sensors. Garmin software lets you analyze and share your performance data by connecting your GPS monitor to your computer.
Common Pitfalls
If you intend to train indoors, GPS only works outside in areas where you have a clear view of the sky. Some Garmin fitness monitors with ANT + compatibility can work with accessories like heart rate monitors and foot pods to track some of your indoor fitness.
Where To Buy
Garmin GPS units can be purchased through Garmin.com, as well as from a variety of third-party retailers. For the best selection of applicable devices, shop at a reputable retailer that specializes in the sport(s) for which you intend to use the device for. For instance, if you want a mapping GPS unit for hiking, shop at an outdoor sporting goods retailer like REI, whereas if you want a running monitor, shop at a store that specializes in running clothing and equipment.
Cost
Garmin's GPS units range widely in cost based upon the features they offer. The most expensive navigation units include the latest, most advanced features like color touchscreens, digital cameras, three-axis digital compasses and wireless data sharing. Basic navigation units are black-and-white and include routing without map functionality. Garmin navigation unit prices range between $100 and $600. The most expensive fitness monitors have advanced features like heart rate monitor, ANT + and wireless sharing. Most Garmin sports and fitness monitors cost between $150 and $500.
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