Features: brand new and high quality CF-922AC adopts a new generation of 11AC technology and supports 2 4GHz/5GHz 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. CF-922AC has a built-in wireless driver, the computer does not need a CD-ROM drive, and no CD-ROM 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! CF-922AC is a Gigabits dual-band driver-free network card. The driver-free 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 CF-922AC 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 high-speed and smooth, bringing a comfortable experience of new technology. Specifications: Model: CF-922AC Colour: Black Interface Type: USB3 .0 , backward for USB2.0 Antenna : Built-in 2x2dBi antenna Chipset: MT7612U+8MB flash memory chip solution Frequency range: 2.4GHz+5GHz Transmission Rate: 1200Mbps (11N:300Mbps, 11AC:867Mbps)11b: 1/2/5.5/11Mbps ; 11g: 6/9/12/18/24/36/48/54Mbps ; 11n: 300Mbps;11ac: 867Mbps; Standards: IEEE802.11a/b/g/n/ac Wireless frequency:2.412~2.484GHz,5.180~5.825Ghz; Size: approx. 124x37x11mm/4.88x1.46x0.43in Encryption: WPA-PSK/WPA2-PSK; WPAWPA2; WEP Support system :Windows XP / 7 / 8 / 8.1 /10 (32 bits , 64 bits ) / 11 (64 bits ) Package Includes: 1 x 1200Mbps wireless adapter note: 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!