Still, WWAN can be more convenient, more reliable and easier to set up.
2
目前证券公司广域网普遍采用地面有线模式组网,本文提出利用3g无线通信来弥补上述不足。
At present, the ground cable networking mode has been used for security company's WAN generally, this article presents using the 3g wireless communication to cover the shortage.