辨网卡及无线网卡设备类型需要首先进入设备管理器，
右键选择[网络控制器]点击选择属性，
看详细信息选项卡中的设备范例ID的PCI\VEN_的值:
如果是8086，是intel无线网卡；
如果是14E4，是Broadcom无线网卡；
如果是168C，是Atheros无线网卡；
如果是10EC，是Realtek无线网卡；
该软件包可为支持的笔记本电脑和操作系统提供 Ralink 2012 无线网卡控制器驱动程序安装包。
如果没有安装此驱动,可能会出现以下现象：
1.看不到无线网络图标，无线开关无法开启，
2.备管理器下会出现带有黄色叹号的网络控制器设备
点击此处查看常见问题问与答
详细信息
文件名：
sp56889.exe [1/1, 10.8M]
系统要求： 支持的设备和功能
Ralink RT3090 802.11b/g/n WiFi 适配器
Ralink RT3592 802.11a/b/g/n WiFi 适配器
Ralink RT5390 802.11b/g/n WiFi 适配器
Ralink RT5390R 802.11b/g/n WiFi 适配器
操作系统
Microsoft Windows 7 Enterprise 32 Edition
、Microsoft Windows 7 Home Basic 32 Edition
、Microsoft Windows 7 Home Premium 32 Edition
、Microsoft Windows 7 Professional 32 Edition
、Microsoft Windows 7 Starter 32 Edition
、Microsoft Windows 7 Ultimate 32 Edition
、Microsoft Windows 7 Enterprise 64 Edition
、Microsoft Windows 7 Home Basic 64 Edition
、Microsoft Windows 7 Home Premium 64 Edition
、Microsoft Windows 7 Professional 64 Edition
、Microsoft Windows 7 Ultimate 64 Edition
、Microsoft Windows XP Home Edition
、Microsoft Windows XP Media Center Edition
、Microsoft Windows XP Professional
、Microsoft Windows XP Tablet PC Edition
、Microsoft Windows XP Professional x64 Edition
、Microsoft Windows XP Embedded
、Microsoft Windows Vista Enterprise 32 Edition
、Microsoft Windows Vista Home Basic 32 Edition
、Microsoft Windows Vista Home Premium 32 Edition
、Microsoft Windows Vista Business 32 Edition
、Microsoft Windows Vista Starter 32 Edition
、Microsoft Windows Vista Ultimate 32 Edition
、Microsoft Windows Vista Enterprise 64 Edition
、Microsoft Windows Vista Home Basic 64 Edition
、Microsoft Windows Vista Home Premium 64 Edition
、Microsoft Windows Vista Business 64 Edition
、Microsoft Windows Vista Ultimate 64 Edition
发布日期： 2012-04-27
版本： 3.2.7.0
适用于： Microsoft Windows Vista, Microsoft Windows Vista Home Premium (32-bit), Microsoft Windows Vista Home Basic (32-bit), Microsoft Windows Vista Business (32-bit), Microsoft Windows Vista Ultimate (32-bit), Microsoft Windows 7 (32-bit), Microsoft Windows 7 Home Basic (32-bit), Microsoft Windows 7 Home Premium (32-bit), Microsoft Windows 7 Professional (32-bit), Microsoft Windows 7 Enterprise (32-bit), Microsoft Windows 7 Ultimate (32-bit), Microsoft Windows 7 Starter (32-bit), Microsoft Windows 7 Home Basic (64-bit), Microsoft Windows 7 Home Premium (64-bit), Microsoft Windows 7 Professional (64-bit), Microsoft Windows 7 Enterprise (64-bit), Microsoft Windows 7 Ultimate (64-bit), Microsoft Windows 7 (64-bit), Microsoft Windows Vista (64-bit), Microsoft Windows XP Professional, Microsoft Windows Vista Enterprise (32-bit), Microsoft Windows Vista Enterprise (64-bit), Microsoft Windows XP Home Edition, Microsoft Windows XP Media Center, Microsoft Windows Vista Home Basic (64-bit), Microsoft Windows Vista Home Premium (64-bit), Microsoft Windows Vista Business (64-bit), Microsoft Windows Vista Ultimate (64-bit), Microsoft Windows XP Embedded, Microsoft Windows XP Tablet PC Edition, Microsoft Windows XP Professional x64 Edition, Microsoft Windows XP
增强功能: - 解决了使用控制面板卸载驱动程序后，“设备管理器”继续显示 Ralink 无线网卡驱动程序的问题。
