4g系统提供移动宽带互联网接入，例如与usb无线调制解调器，笔记本电脑，智能手机和其他移动设备。
A 4g system provides mobile ultra-broadband Internet access, for example to laptops with USB wireless modems, to smartphones, and to other mobile devices.
无线宽带接入互联网，基于互联网进行移动商务运营。
With the accessing wireless Wide Band with Internet, it support M-business management rely on Internet.
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