NETGEAR WN121T RangeMax Next Wireless-N USB 2.0 Adapter Wireless-N Wireless USB 2.0 adapter delivers exceptional speed and range Delivers up to 300 Mbps of wireless throughput Provides up to ten times the range of 802.11g networ Backwards compatible with 802.11g/b wireless networks Device measures 4.1 x 3.6 x 0.6 inches (WxHxD)