Description: brand new and high quality Feature: 1300Mbps 11AC Dual Frequency wireless transmission speed,Let you go online, for play games and work faster than others, bid farewell to the troubles of waiting Dual band 2.4Ghz 400Mbps;5.8Ghz 867Mbps,You can switch modes at will USB3.0 receiver, 10 times faster transmission speed, and for USB2.0 and USB1.1. Get rid of the traditional single frequency single antenna network- card,Dual Band Dual Antenna Let you surf the Internet at high speed, with faster and for stronger signal The Wifi signal will not be blocked by the wall, you can quickly pass through the wall, and at the same for time, your desktop computer can also access the Internet without a network- cable, which is convenient and does not occupy space Unique design of dust-proof heat dissipation holes, efficient heat dissipation while blocking dust intrusion Specifications: Chipset: RTL8812BU Antenna: 2 Interface: USB3.0 high speed interface Wireless speed: 2.4G up to 300Mbps,5.8G up to 867Mbps Frequency range: 2.4 GHz~5.8 GHz Wireless standard:IEEE802.11 ac/a/b/g/n/standard Modulation technology: BPSK, QPSK, CKK, OFDM (BPSK, QPSK...16-QAM...64-OAM) Security: 64/128/152 digit encryption, WEP encryption, WPA / WPA-PSK, WPA2 / WPA2-PSK encryption, and one-key WPS encryption Operating temperature: -20C to 40C Storage temperature: -40C to 70C Operating humidity: 10% to 90%RH(non-condensing) Storage humidity: 5% to 90%RH(non-condensing) Supported Operating Systems: For Windows XP/Vista/WIN 7/WIN 8 operating system, etc. Size: 137x41x12mm/5.39x1.61x0.47in Note: Transition:1cm=10mm=0.39inch Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x 1300Mbps wireless adapter 1 x C-D drive 1 x English user manual