Wlan n stick frequency band 2 4 ghz 5 ghz type mini usb stick aerial internal transfer rate 300 mbps wireless lan standard ieee 80211n frequency bands 24 ghz 5 ghz encryptions wep wep 64 bit wep 128 bit wpa wpa2 interface usb 20 modes ad hoc infrastructure dimensions hxwxd 10 x 24 x 57 8 mm