The GPS devices are the solution for car navigation the most common. For several reasons: their prices have shrunk in recent years and their use is generally simple and intuitive. All, so far, are not equal.

For a budget of between 100 and 500 dollars, a GPS opens the way for road navigation. In practice, the housing incorporates the four components of a navigation solution, namely a GPS receiver to receive the signal, digital maps, software, information processing and a processor to enable all to function. Just install the device on its support to connect to the cigarette lighter to set aside any issues of autonomy and turn it on. Some relevant details, however, before departure.

Display: day and night

The effectiveness of guidance depends, inter alia, the display quality. The screen size is therefore a first criterion to consider. Currently, the diagonal average is between 9 and 11 cm. In addition, the overall size of the box becomes annoying to regular users, who must constantly leave their equipment in a pocket or bag so as not to tempt thieves. Note that large screen is not always a guarantee of better readability. In fact, some devices only display the map on a portion of the screen, reserving the remaining space to display information (mileage, speed …).
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