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ＧＳＭ无线数据业务是数据通信技术和移动通信技术的结合，对ＩＰ和高速数据业务的支持已经成为第二代移动通信系统演进的方向，并且将是第三代移动通信系统的主要业务特征。ＧＳＭ无线数据业务使得人们不受空间、地域的限制，随时随地获取所需要的信息，它使人们可以在移动中?
GSM wireless data service is a combination of data communication technology and mobile communication technology. The support for IP and high-speed data services has become the direction of the evolution of the second generation mobile communication system and will be the main business feature of the third generation mobile communication system. GSM wireless data services make people free from space, geographical constraints, access to the information they need anytime, anywhere, it allows people to move?