Features:brand new and high qualityCF922AC adopts a new generation of 11AC technology and supports 2 4GHz5GHz dual frequency options. Most of the digital devices in the home are connect to the 2.4GHz frequency band, so that they interfere with each other and cause frequent trafficjams.CF922AC has a builtin wireless driver, the computer does not need a CDROM drive, and no CDROM is required for installation. Say goodbye to the cumbersome traditional wireless driver installation process, save worry and effort when surfing the Internet, and enjoy the wonderful Internet more freely!CF922AC is a Gigabits dualband driverfree network card. The driverfree design increases the ease of use of the product.Standard USB3.0 interface enables faster transmission, dual external antenna design enhances coverage and signal reception.The maximum wireless rate of CF922AC can reach 1200Mbps; the maximum wireless rate in the 5GHz frequency band can reach 867Mbps; with the 300Mbps 2.4GHz frequency band rate, the overall wireless performance is greatly improved, and WiFi sharing is highspeed and smooth, bringing a comfortable experience of new technology.Specifications:Model: CF922ACColour: BlackInterface Type: USB3 .0 , backward for USB2.0Antenna : Builtin 2x2dBi antennaChipset: MT7612U+8MB flash memory chip solutionFrequency range: 2.4GHz+5GHzTransmission Rate: 1200Mbps (11N:300Mbps, 11AC:867Mbps)11b: 125.511Mbps ; 11g: 69121824364854Mbps ; 11n: 300Mbps;11ac: 867Mbps;Standards: IEEE802.11abgnacWireless frequency:2.412~2.484GHz,5.180~5.825Ghz;Size: approx. 124x37x11mm4.88x1.46x0.43inEncryption: WPAPSKWPA2PSK; WPAWPA2; WEPSupport system :Windows XP 7 8 8.1 10 (32 bits , 64 bits ) 11 (64 bits )Note:Please allow 03cm 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 1200Mbps wireless adapter