What is GPS?

The Global Positioning System (GPS) uses satellites to transmit signals to a GPS unit on earth to accurately identify a person’s direction, speed location and time. It was developed twenty years ago by the US military because of the security needs of the time. Today, it can be used by anyone provided they posses a GPS enabled device or unit.

GPS devices can be practically used in almost any situation that you can think of, whether it is commercial, military or recreational. In the scientific arena, it has been widely used for global navigations, scientific and aeronautical researches, and even for handling the probabilities of catastrophes like earthquakes and tornadoes. For the everyday lay person, probably the best know use of GPS is as an in car navigational device.

Why Use an In-Car GPS Unit?

A GPS car unit is a device that you use to navigate while you are in your car. They can be fixed to the car or portable. With a GPS unit in your car easily tracked by the satellites, the device will safely and accurately direct you to all the places you want to go to and tell you what is the best route to get there.

You may be surprised to discover how easy they are to use. The gadget will always provide the user with user friendly options, right through to the successful completion of your journey. For travelers navigating across the globe, one could follow their journey right from the dashboard of the car. The weather and climatic conditions are closely monitored from your driver’s seat, and you get the updates on events around you.

Brands of In-Car GPS Units

These devices come in different varieties and at different costs. Spending on an in-car GPS unit is proportional to the devices features and quality.

The Garmin Nuvi 660 comes with a wide and clear screen along with hands free communications from your phone for your convenience. The HP iPaq rx5900 Travel Companion is relatively affordable. It is smaller but has all that you need. Listen to music and indulge in games to break the boredom.

Then there is the Magellan Maestro 4250, one of the most popular GPS devices. With this GPS, you receive real and updated traffic as you cruise along the highway. Enjoy the Bluetooth feature and sit back as you safely navigate home. The Pioneer AVIC-Z2 is a sizable unit with wider memory capacity, thus it can refine the details of the maps even better.

When buying a GPS unit, you should choose one that is at the upper end of your budget so that you can get the best of what GPS devices offer. There are several other competitors which are just as good as those units outlined above, with marvelous performance. Some of them will be a little cheaper with comparable features and GPS units in general are coming down in price everyday. Make sure you test drive any GPS unit before you buy.

Today, most new cars already have the GPS unit installed when you buy them. This makes it more convenient and you have the warranty advantage for any breakages or fault. However, you don’t get to choose what unit comes with the car which can be a disadvantage when the unit isn’t that user friendly.

While GPS car units offer many advantages, some caution is necessary when you are looking to purchase a GPS unit for your car. You want something that is very user friendly and is of high quality. The lesson is: try before you buy.