Powerlink Speedy 1000mW High Power Wireless 802.11b/g/n USB Adapter 150Mbps with 2x5 dBi Antenna (SPEEDY) 3X Performance (compare to a standard 2dbi antenna) 3X Distance (compare to a standard 2dbi antenna) 4X Signal Reception Operating distance of up to 1500 meters High power output technology Detachable smart MIMO Antenna for long-range connectivity WMM (Wi-Fi Multimedia) function support Dual 5dBi swivel Omni-directional high gain antenna NDS and PSP X-link support Wi-Fi Direct support USB extension cable 256-bit WEP security WPA, WPA-PSK, WPA2, WPA2-PSK Design for indoor usage Chipset: Ralink RT3070 Antenna Type: RP-SMA Male Operating System: Win 2000/XP/x64/Vista/7/8 Mac OSX 10.6/10.7/10.8 Linux Kernel 2.6.6 and after (Support BackTrack 3, 4) Dimension: Antenna length: 6.75 inches USB Adapter: 3.5x 2.9 x 0.9 inches USB Cable: 15ft