Feature: Modes: Infrastructure and Ad-Hoc. MIMO technology makes wireless transmission rates up to 150Mbps. CCA technology enhances your signal stablility by automatically avoiding channel conflicts.  Quick secure setup, complies with WPS for worry free wireless security. Wireless security encryption easily at a push Of QSS button. Supports 64/128-bit WEP, as well as WPA/WPA2 and WPA-PSK/WPA2-PSK encryptions. Supports WIN2K, XP, VISTA, WIN7, MAC, LINUX operating system. Supports wireless roaming technology for high-efficient wireless connections.  Seamlessly compatible with 802.11b/g/n devices. Specifications: Chipset:Ralink RT5370 Wireless Standards:IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency Band:2.4GHz ISM (Industrial Scientific Medical) Band Peak Throughtput:150Mbps Channel:1 - 14 channels (Universal Domain Selection) Data Security:16/128-bit WEP Encryption WPA, WPA-PSK, WPA2, WPA2-PSK, TKIP/AES Support Operating System:Windows 2000, XP, Vista, Win7, Linux, MAC Host Interface:High speed USB2.0/1.1 Interface Antenna Gain:2dBi Environment: Operating Temperature: 0 - 40C Storage Temperature: -20 - 75C Operating Humidity: 10% - 90% RH, noncondensing Storage Humidity: 5% - 95% RH, noncondensing Package Size 14.8 * 9.8 * 1.8cm Packed Weight 36g Package Including: 1 * USB Wireless LAN Adapter 1 * Software Driver 1 * Antenna