Features: 802.11AC 1300Mbps 2.4GHz&5.8GHz wireless network card, Realtek-RTL8822BU high-performance chip, USB3.0 interface, WiFi transmission more efficient and energy-saving. 11AC dual-band wireless USB network card is suitable for wireless connection of notebook desktop- PC and other devices It can provide convenient and fast- wireless internet access. The network card supports automatic detection function and can automatically adjust the speed. Comply-with IEEE802.11a, IEEE802.11b, IEEE802.11g, IEEE802.11n, IEEE802.11ac standards; System Requirements：forWindows XP/Vista-/7/8/10/11, Linux-,Mac-OS Specifications: Interface type:USB3.0 Chipset:Realtek-8822BU Antenna Type:2x 5dBi antenna Wireless Standards：IEEE802.11ac, IEEE802.11a,：IEEE802.11n, IEEE802.11g, IEEE802.11b Frequency：2.412~2.484GHz/5.15~5.825GHz Signal Rate：5.8GHz 11ac: Up to 867Mbps(dynamic) 11a: Up to 54Mbps(dynamic)：2.4GHz：11n: Up to 400Mbps(dynamic)：11g: Up to 54Mbps(dynamic) ：11b: Up to 11Mbps(dynamic) Transmit Power：WiFi Mode- Wireless Modes、 Ad-Hoc / Infrastructure mode- Wireless Security：Support 64/128 bit WEP, WPA-PSK/WPA2-PSK, 802.1x System Requirements：forWindows XP/Vista-/7/8/10/11, Linux-,Mac-OS Package Includes: 1 Piece Wireless Network Card 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.