2, the traffic is to be charged into the SNM card of the mobile phone.
3, you have a mobile phone card to buy traffic and use traffic.
4. There is no card available for wireless Internet access. 5.SunNet Manager(SNM) is the first important network management system based on Unix. SNM has always existed mainly as a development platform, and it only provides very limited application functions. In order to be practical, many network management applications developed by third parties for specific hardware platforms must be attached. The development of SNM seems to have slowed down or even stopped, but SUN has signed a license with NetLabs DiMONS 3G, authorizing the company to develop a new network management system called Encompass based on SNM.