Plugable USB 2.0 Wireless N 802.11n 150 Mbps Nano WiFi Network Adapter (Realtek RTL8188EUS Chipset) Plug & Play for Windows Add 802.11n wireless N network connectivity at up to 150 Mbps in an incredibly small package. Perfect to upgrade an older computer or bypass a broken wireless card. 2.4 GHz support only. Does not support 5 GHz Wi-Fi. Drivers provided for Windows 10, 8/8.1, 7, Vista, XP. Not compatible with Windows RT Uses the Realtek RTL8188EUS chipset. Backwards compatible with Wireless G & B networks and USB 1.1 ports. Supports Ad-hoc and Infrastructure modes. Please note: Windows 10 and 8.1 do not support using wireless adapters to create a hotspot (Ad-hoc network). We love our Plugable products and hope you will too. All of our products are backed with a 1-year limited parts and labor warranty and Seattle-based email support.