Multi-System Compatibility Wireless Adapter Support Windows 10/8.1/8/7/XP/Vista Signal StabilityOriginal Realtek RTL8811CU chipset inside, easy installation, high signal stability Operation ModeUp to 600 Mbps speed, dual band 5.8 GHz (433 Mbps) or 2.4 GHz (150 Mbps) Strong CompatibilitySupport USB 2.0 and USB 3.0 interface, compatible with most laptops, desktops Security FeaturesSuitable for most routers, secure WFA/WPA/WPA2/WPS2.0/WAPI WiFi connection