Many people are looking at the portable GPS navigation systems their neighbors have in their car and want to get one for them. But not many people understand what a portable GPS navigation system is or how it works. Some people are overwhelmed with the different models andoptions that are offered they do not know how to pick one for themselves.
It can be hard to decide what to get when you do not understand what a portable GPS navigation system does or what to look for when you do decide to buy one. A portable GPS uses a satellite to give its location. Asatellite in outer space sends out signals that the portableGPS navigation system receives and calculates its location based on the timing of the signals.
It then translates that to preloaded maps that are stored in the device to give the user a location based on the street and city the device is traveling in. Some portable GPS navigation systems offer different features even though everyone basically offers the same option oflocating itself based on the satellite. Some are better at receiving the signals because they use multi-parallel channels that allow it to receive signals from several different satellites.
When seeking to incorporate a Bluetooth GPS navigation system, you should at the very least look for a GPSreceiver with a built in highly sensitive antenna. You can opt for one with a bigger screen if you are going to beusing it while driving. Many people feel voice direction isa must for a portable GPS navigation system that is usedwhile driving because it allows you to keep your eyes on the road as the system calls out the direction to you. Some people feel this is a better option then a bigger screen because then you do not have to worry about looking at the screen while driving.
Many portable GPS navigation systems offer Bluetooth that allow you to connect the device to your other portable devices with Bluetooth. One nice advantage of having a Bluetooth portable GPS navigation system is the ability to connect your Bluetooth cell phone to it and be able to make calls with out having to take you phone out of your pocket. Many portable GPS navigation systemscan be transferred from one car to another allowing you touse it when you travel to different cities or to share it with your spouse.