How Do You Compare Portable GPS Navigation?
GPS stands for global positioning system. GPS units use satellites to track your location. This technology has been adapted for use in navigation devices. Some cars come with GPS navigation installed, but there are also portable GPS navigation devices available for purchase as well. Portable GPS navigation devices are useful because you can move them from car to car or take them when traveling without your vehicle. When comparing the devices, you should consider the size, maps and features each offers. Purchase a portable GPS unit with a smaller screen size if you intent to use the GPS outside of your car. The average GPS screen is about four inches, which may be cumbersome if you want to carry it on a biking trip or hike. In addition, a smaller screen size will usually cost less. However, if you have a hard time seeing the screen, you may need to invest in a larger unit. Pay a premium for GPS units that speak not only the directions but the street name as well. For example, a lower-qu
