GPS navigation receivers are able to track your current position anywhere on the globe. They can tell you how fast you are going and how long it will take to reach your destination.
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Many GPS navigation receivers can even tell you where the traffic jams are, and re-route you accordingly to avoid the snarls. Most automotive-based GPS receivers will provide turn by turn directions. The directions are usually voiced using a pleasing female voice.
And many others will even provide a 3D image of where to turn on the GPS receiver’s screen reducing the chance of turning down the wrong street. These GPS receivers can be particularly useful for planning long trips.
They can aid in determining the best routes to take, whether you want the fastest route according to time, or the shortest distance, it’s your choice.
Most receivers will have millions of built in POIs, or points-of-interest. These points of interest can be as big as national parks, or as small as your local taco stand. They will allow you to search for the nearest Mexican restaurant, or the closest ATM. Not only will it tell you where it is, but guide you right to it!
With so many models, screen sizes, subscriptions, modes and accessories, it's hard to decide on which one to get.