Premiertek 300Mbps 802.11bgn USB 2.0 Wireless Adapter w/5dBi Antenna (PL-U3005N) High gain antenna detachable Chipset: Realtek RTL8191SU1T2R 802.11n MIMO (One Transmit and Two Receive path)Standard: IEEE 802.11b/g/n. 802.3, 802.3uSoftware AP supported Interface: USB 2.0 and 1.1 compliant Antenna Type: RP-SMA Jack Transmitter Power:802.11b: 22 2 dBm802.11g: 19 2 dBm802.11n: 19 2 dBmPower consumption: Transmit&lt;380mA. Receive&lt;250mAFrequency: IEEE 802.11b: 2.4~2.497GHz. IEEE 802.11g: 2.4~2.4835GHz Dimension: Antenna length: 108mm USB Adapter: 74mm x 26mm x 11.5mm Package Content: 802.11b/g/n Wireless LAN USB Adapter High Gain 2dBi Dipole Antenna Driver/Manual CD Operating System: Win XP/Vista/7/8