EAS Hi-Speed Edition USB 2.0 Wireless WiFi Dongle Adapter - 300Mbps Hi-Speed Fully Compatible USB WiFi Adapter for Raspberry Pi Windows Linux OS WK301 Add 802.11n wireless N network connectivity at up to 300 Mbps in an incredibly small package. Perfect to upgrade an old computer or bypass a broken wireless card. 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)