Smartphone GPS is a three in one product of mobile phone, GPS and PDA handheld computer. It can update real-time data through the operator's network. As long as the GPS ephemeris file is updated and downloaded once every two days, it can achieve the fastest 5 seconds of satellite positioning, which is the fastest positioning speed at present.

　　When satellite signals are not received, but mobile signals are available, such mobile phones will quickly change the search mode, link to the background of telecom operators, and achieve positioning. As long as mobile phone signals can be received, satellite positioning can be carried out. Moreover, once positioning is achieved, signal reception is very stable (network support is required).

　　If you download through GPRS of mobile network, you only need to pay the network traffic fee of the mobile operator; If it is downloaded by synchronizing with the computer, there is no charge. GPS synchronization software is pre installed in the CD attached to some software. Users can use it after installation. The smart GPS mobile phone is repaired free of charge for one year according to the new national "three guarantees" law.

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