1. do you have an Internet connection and a network 3G at phone (Always On) 2. charges will occur when running the data through the network only. The difference with the common system. Login to pay into the system from the network 3. wireless communications devices with other forms of Plamtop, PDA, Laptop and PC. 4. the transmission of data in high speed, fast. Makes it possible to display a graphic showing a map location. As interactive and seamless?
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