product description : rangemax dual band wireless-n usb 2.0 adapter wireless speed : 802.11b/g, 802.11a, 802.11n draft (2.4 ghz/5 ghz) standards : ieee 802.11n draft specification, ieee 802.11b, ieee 802.11g, 2.4 ghz security : wi-fi protected access (wpa2-psk, wpa-psk); wired equivalent privacy (wep) 64-bit, 128-bit encryption for ieee 802.11b and ieee 802.11g dimensions (l x w x h): 94.5 x 30.2 x 15.2 mm weight : 21.5 g