Wi fi adapter interface usb 20 transfer rate 300 mbps wireless lan standards ieee 80211a ieee 80211b ieee 80211g ieee 80211n frequency bands 24 ghz 5 ghz encryptions wep 64 bit wep 128 bit wpa wpa2 aes tkip design external series alfa networks awus supported operating systems linux mac os x windows dimensions hxwxd 85 x 22 x 63 mm weight 385 g