Premiertek PT-H5DN-2770 300Mbps Wireless-N USB 2.0 Adapter w/5dBi Antenna Premiertek PT-H5DN-2770 802.11n USB 2.0 Adapter General Features: Black color USB 2.0/1.1 interface 1T2R MIMO Technology (One Transmit and Two Receive path) Compliant with IEEE 802.11n (draft 2.0), IEEE 802.11g, IEEE 802.11b Active/Power LED indicators Operating range of up to 500 meters (1640-feet), depending on environment Ralink RT2720 RF chipset Ralink RT2770 Mac/BB Processor