Car GPS positioning system development of in-car GPS positioning system applications have gone through ups and downs and the development path is extremely slow. Has experienced several ups and downs of a difficult journey. Between 1994-95 is the first wave, there were hundreds of companies have come to seize market GPS vehicle location monitoring system, which also lack there are a few companies have the economic strength, but the real winner is not much, many companies had to withdraw from the industry. The second period is the GPS vehicle positioning and monitoring systems market consolidation, consolidate, enrich and improve the period 1998 to 2000 GPS vehicle location monitoring system market in the momentum of rapid growth, and this time the market is gradually maturing, China's GPS vehicle location monitoring system technology has been enhanced with the development of a communication network system strangle hold issues through the use of short message service GSM public network to find a new way, which is on the grade scale is undoubtedly a great benefits, GPS vehicle location monitoring system market has been greatly promoted. Since 2003, due to the GPS vehicle monitoring unit inside the module price significantly lower level of technology matures, GPS vehicle location monitoring system has begun to show a trend of rapid development. Car GPS Car GPS positioning system uses GPS and real-time electronic maps showing the actual location of the vehicle, and any enlargement, reduction, reduction, exchange diagram; you can move with the target, the target always remains on the screen; can achieve multi-window, multi-vehicle, multi-screen at the same time tracking. This function can be important to track vehicles and cargo transport. Provides travel route planning and navigation functions: to provide travel route planning is a car navigation system is an important auxiliary functions Henan gps security, which includes automatic route planning and manual circuit design. Automatic route planning is determined by the driver starting point and destination Henan gps installation company, as required by the computer software automatically design the best driving route Henan gps, including the fastest route, the easiest route, through the least number of sections of the highway route calculations. Artificial circuit design is based on their destination design start, end and via points Henan gps how much money one, automatically build routes library by the driver. After the route planning is completed, the monitor can display design line on the electronic map, and also shows the car running path and method of operation. Henan gps where to sell, Henan gps, gps locator provided by Henan Zhengzhou Double Electronic Technology Co., Double Electronic Technology Co., Ltd., Zhengzhou (www.zzgprs.com) strong, credible, in Zhengzhou, Henan Province of GPS systems and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Double electronic and you hand into the brilliant, for a better future!