The market potential for GPS navigation in China is enormous. As of the end of 2005, there were less than 100000 vehicles in China with in vehicle navigation equipment, with a penetration rate of less than 1% compared to the total number of 30 million vehicles. The installation rate of car navigation in Japan is as high as 59%, with Europe and America accounting for about 25%. In 2006, the portable navigation market should have a scale of nearly 500 million yuan. With the rapid development of the market and the emergence of new brands, it is expected that the sales revenue of China's automotive GPS navigation system terminals will be close to 10 billion yuan in 2009. The year 2008, which has just passed, is known as China's "3G first year". As is well known, the most popular standard in the domestic communication field is the TD-SCDMA -3G standard, which is currently in trial operation. As a new generation of communication technology, 3G brings many expectations to people. The comprehensive issuance of 3G licenses has also become a common focus of attention. In fact, the field of GPS navigation in China is also undergoing a transformation, and the emergence of the third generation PND navigation products has brought people into a new era of navigation. The satellite navigation application industry is playing an increasingly important role in the national economy and will become a highlight of the development of the 11th Five Year Plan. During the 11th Five Year Plan period, there will be great development space for the application of satellite navigation in other fields such as aviation, sea routes, railways, buildings, telecommunications, electricity, etc. The development trend of satellite navigation technology is mainly manifested in three aspects: firstly, the coexistence of multiple systems in satellite navigation improves system availability and expands the application fields; Secondly, the technology of multiple integrated navigation is being promoted and applied, mainly including the combination of GPS and mobile communication base station positioning, gyroscope, and dead reckoning technology; The combination of satellite navigation and other high-tech technologies such as wireless communication, such as GPS receivers embedded in communication, security, and consumer electronics products such as cellular phones, portable PCs, PDAs, and watches, fundamentally promotes the overall development of IT technology.

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