Smk systems usb 2.0 wireless 802.11n; ultra-fast transmission; stronger gain usb wifi adapter: upgrade your wifi speeds up to 450mbps for lag-free video streaming and internet calls mini design: allows you to plug it in and forget it is even there. 1 x usb wi-fi adapter dongle wireless network standards: ieee 802.11n frequency range: 2.4-2.4835ghz transmission mode: dsss