Yes, Nokia is a China based company. Therefore, Nokia GPS systems are made in China. However, they may have manufacturing locations elsewhere as well.
No, nokia is known only for their cellphones not GPS'S... if you are looking for a good gps get Garmen or TOMTOM.
Lowrance GPS Sonar devices are not made in China. From what I could find online, it appears these devices are actually manufactured and shipped from Indonesia.
Magellan GPS units are indeed made by the USA. They are, in fact, GPS systems made by the US government in the USA so Magellans are 100 percent USA GPS units.
The Nokia GPS module pretty much equals the Garmin in terms of navigation effectiveness. Nokia's screens are smaller so that is negative when just wanting to make a quick glance, but the Nokia's maps are a bit more detailed. To see more about the 2 GPS's go to http://meandmyphones.blogspot.com/2007/11/gps-comparison-nokia-n82-vs-garmin-nuvi.html
yes
yes
The 5530 does not appear to have an integrated gps chip. This means to use the gps function, you will have to purchase an external bluetooth gps receiver such as the Nokia LD-4w or other alternatives you will find on sites such as expansys.com, play.com or even eBay.
NavTeq is a company that makes maps digitally. These maps are then used in GPS systems that go into vehicles. While it operates independently, NavTeq is a subsidiary company of Nokia.
to find the answer to your question: How are TomTom Rider GPS systems different from regular GPS systems? please see the following website to learn more: www.tomtom.com/
Alpine Electronics of America Systems make the GPS systems for Chrysler.
Garmins outdoor gps units are made to be outside in the elements. And since they are made to be outside in the elements they are, in fact, very durable.
There are good and inexpensive GPS systems for trucks. These GPS systems for trucks include Garmin Nuvi 465t 4.3" GPS Truck Navigator and IntelliRoute TND Truck GPS.