Classification of Automotive navigation system Vehicle Satellite navigation can be divided into built-in and external types according to the installation mode.

　　The built-in vehicle mounted Satellite navigation is generally installed by the automobile manufacturer in the production link. The appearance is specially designed and fixed in the Dashboard console, which is integrated with the automobile interior.

　　External car navigation system. External car navigation systems are mostly installed in the later stage, making them easy to install and suitable for later modification of various types of cars.

　　Car navigation systems are divided into three categories based on whether they are rich in functionality or not.

　　(1) DVD navigation system. The DVD navigation system integrates navigation and entertainment functions, with rich functions.

　　(2) HDD hard drive navigation system. The HDD hard drive navigation system can store a large amount of information, meeting the storage requirements of three-dimensional images, and its map display performance is quite good, which has been applied in high-end cars in Europe and America.

　　(3) Communication and navigation system. The communication and navigation system applies wireless communication technology to receive various information such as maps, and has the various functions of the above two products. Although it has less initial investment, it still needs to pay communication fees every month.

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