What is the difference between professional navigation and professional GPS navigator
3 map software is accurate, you can identify the road on the viaduct, and you can tip up and down viaduct."This should be no problem currently on the market of the navigation software is mainly three: Skywalker, Kai Lide, cityonmap. Three navigation software has its own advantages and disadvantages. I personally feel that the person with Skywalker more, some car navigation systems (non open operating system) OEM software with Kay more than cityonmap map Skywalker is better but the interface is not good.4 mobile phone PDA load or other independent GPS devices can be.
The same, but it is over. No practical significance.
5 price of less than 3000 yuan.> 4, 5 a answer: there are PDAGPS mobile phone development, but should be more than 6000. One of the PDAGPS generally above 3000, generally have more than 3000 car navigation. If you have Bluetooth support PDA or PDA phone, plus a Bluetooth GPS is as long as 1000 or so. So the first three choices and then you have only the following three choices: first, the new machine but the older models, businesses dumped, and the other is to know the people, and the three is a vintage.More well-known brands in the market: Taiwan (MIO), the new branch, Taiwan HOLUX long days, GARMIN, HP, etc.PDAGPS mobile phone: MIO A700, E, TATO588, HP6515PDAGPS development: MIO168, 169, 269, P350, HOLUX PolarisVehicle navigation: MIO C210, new section four or five, GARMIN three or four
You can understand the principle of the radio transmitter receiver radio information, is not charged. GPS only in the need to track and special needs, and through the GSM network data is to receive GPRS traffic charges. Upgrade the main map of the general manufacturers do not charge. Now there are many kinds of vehicle navigation systems, different brands and various functions....Now we have to find a good brand navigation.....I hear people say it's a good way...A Thunis brand navigator is a hot productNow to the car navigator has a lot of MP3, MP4 and other entertainment features,,,,Fixed speed, movement speed and other functions....It is best to have a rear view, and, more secure.... GPS Car Navigator, simply said, is the navigator can help users to accurately locate the current position, and according to the established objective calculation of stroke by map display driving auxiliary equipment and voice prompt two ways to guide the user to the destination. It includes two important components: one is the global positioning system (Global Positioning System) referred to as GPSSuggest that you buy a professional GPS, after all, the phone's function is to call.
1 high precision, good signal.Now GPS hardware precision is about 10 meters, the difference should be small. The accuracy of the practical application is also affected by the electronic map software. Signal does have good or bad, mainly in the fast positioning is not fast, stable, etc..2 long standby time, voice prompt.Standby time mainly to consider two factors. First, the battery capacity is large, two is the best battery is replaceable. PDA class GPS and vehicle navigation generally have voice prompts. This voice prompt is realized by navigation software.
