The Sabrent NT-WGHU Wireless 802.11g USB 2.0 Adapter gives you the flexibility to position your Desktop PC or MAC where you want, without the cost or inconvenience of running network cables. Maximize data transfer speeds of up to 54 Mbps from as far as 800 meters with the included 7" 6dbi antenna. Simply install the USB Adapter into an available USB port, and connect to an available Wireless Network. (Reverse compatible with 802.11b). If you already have an internal wireless card, you can use this USB 1000mW adapter by disabling your internal card in Device Manager. Features: Compatible with all standard 802.11n, 802.11g, 802.11b wireless routers and access points High-Speed Wireless data rate up to 54Mbps; Supports Turbo mode for 72 Mbps Transmitter Output Power is 1000mW Hardware-based 40/64-bit & 128-bit WEP encryption Advanced Wireless Security 64/128/256-bit WEP, WPA (TKIP, IEEE802.1X), and AES Up to 800 Meters in open space Supports peer-to-peer communication among any wireless users, no Access Point required Automatic fallback increases data security and reliability Auto Site Scan and multiple Profile settings Low Power Consumption LED Activity/Link Channels 1 - 13 (all available channels, including all Europe channels) Power is supplied through the USB cable Threaded antenna jack for durability, ability to upgrade antennas or add extension cables Made from lead-free components, RoHS compliant.