Kootek Raspberry Pi WiFi Dongle Adapter 300Mbps Hi-Speed Fully Compatible USB WiFi Adapter for Raspberry Pi Windows Linux OS USB 2.0 Hi-speed connector, wireless transmission speed is up to 300Mbps; Fully compatible with 802.11b/g/n devices and CSMA/CA with ACK; Supports Security WPA-PSK, WPA2-PSK, WPS compatible IEEE 802.1X; Support operation system: Windows XP/LINUX/WIN7/WIN8; (Does NOT work with WIN 10 and OS 10.9 or late 2008 Macbook)