基于原有的SIM300 GPRS模块和移动公司的MAS设备，研发USB接口的无线调制解调器。
This system uses a wireless modem with USB port based on SIM300 GPRS module and the MAS device of China Mobile.
同时可为集中控制提供数据接口，今年公司计划自主开发系统平台，可集中对多套设备进行集中管理。
At the same time provide for centralized control of data interface, this year the company plans developed platform can be focused on sets of equipment for centralized management.
基于以太网的接口使得无线交换机公司 能够保持它们的2G用户基础设施，而不必配置附加的第三方设备。
The Ethernet-based interface enables wireless switch companies to keep their 2G customer base without having to deploy additional third party equipment.
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