Modern technology – Global Positioning System (GPS), allows you to use satellite communications to locate an object anywhere in the world. Details can be found by clicking Anu Saad or emailing the administrator. In addition to location, modern GPS-navigators are able to calculate the size and speed motion. Most users of GPS-navigators are tourists, motorists, and are used in aviation and navigation, which is quite reasonable in view of all the benefits offered by this system. GPS-navigators can be divided into two types, the ones that depend on a PC or PDA, while the latter work independently. GPS-module differs from the independent devices that do not have their own screen, displaying data on display device that connects to, as well as its power supply also comes from the head unit. GPS-ins before losing much independent navigators in terms of reliability, since the junction, more often, unprotected for bumps and exterior damage. Leading companies that produce GPS-navigators, to date, are JJ-Connect, GlobalSat, Garmin and others.