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How to Compare GPS Models Before Purchasing One

Contributor
By eHow Contributing Writer
(9 Ratings)

Your first task in buying a GPS system is to determine what features you need. Follow these steps to compare GPS models.

From Quick Guide: Using GPS Units
Difficulty: Moderately Easy
Instructions

Things You'll Need:

  • Internet access
  • Computer
  1. Step 1

    Compare the map display and map functions. GPS navigation maps vary in detail. Some maps include details like elevation and street detail. Don’t overdo it and buy a GPS navigation device with map details you will rarely use.

  2. Step 2

    Decide what type of display you want, horizontal or vertical. Consider the number of pixels on your GPS system's screen -- that is, the degree of resolution. Screens are available in a variety of sizes. Choose the specifications that best fit your needs.

  3. Step 3

    Consider antennae voltage and battery life. Choose a model with a high antennae voltage for clearer reception. People who take long trips should consider buying a GPS navigation model with a long battery life.

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