How to choose the best portable GPS navigation system

Portable GPS navigation systems are a lot cheaper than build-in GPS in the car. They do not require professional installation and is easily transported to the next vehicle. They are simply mounted on the dashboard and powered via the cigarette lighter in the car. With a portable GPS navigation system in your car, you won't have to worry about getting lost. It is a must have convenient accessory today.

Instructions

1. Portable GPS navigation systems are anywhere from 100 dollars to a couple hundred dollars. Build-in GPS are usually over a thousand dollars if you purchase it as an option from the dealer. That makes the portable GPS navigation systems very economical and useful for your everyday driving.

2. A basic and cheapest portable GPS navigation system is around 100 dollars. They include features like the United States map in details, voice guidance, a small color screen, touch screen, mounting suction cup, and power adapter. This kind of portable GPS navigation system is suitable for occasional use. They are very basic and will be able to assist you during driving.

3. Other portable GPS navigation systems include other features like voice recognition, MP3 player, and trip calculator. Those features are optional in turns of the real functions of a GPS.

4. A major drawback of the portable GPS navigation system is the lack of an internal compass, accelerometer or a device used to measure the car's speed. Without this feature, it does not navigate as accurately as a build-in GPS system when there is no GPS signal. If you live in an area where there are a lot of tunnels, high rises, or uses the GPS very frequently, it is important to buy a more sophisticated portable GPS system that has a build-in accelerometer.

5. One thing about portable GPS navigation system is that they are easily stolen if you leave it in your car. So, it is important to carry it with you and not leave it in the vehicle.