Features: brand new and high quality Dual-band 2.4G/5G mini 1200M wireless network card, drive-free . It can be quickly installed by inserting the USB interface of the computer. The computer does not need an optical drive, and the installation does not require a CD. It is plug and for play. Choose USB-AC53Nano to solve all troubles, providing 867Mbps(5G)+300Mbps(2 4G) rate 5.0 Wi-Fi speeds, super-fast Wi-Fi just got easier to access via USB, up to 867Mbps on the clear 5GHz band, and with 802.11ac wireless technology, all your devices get faster connections and enjoy. Support WPA/WPA2 security mechanism and WFA encryption to fully protect wireless network security Specifications: Web Standards: IEEE 802.11b/g/n/ac Control: USB-AC53 for Nano Performance: 300 2.4G +867 Mbps 5G Operating frequency: 2.4 GHz/ 5 GHz Operating System Support:Windows 7/8/10/ 8.1 MacOSX 10.7 to 10.12 Size: about 20x14x7mm/0.79x0.55x0.27in Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC x Wireless Network Card