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; Specifications: Interface type:USB3.0 Chipset:Realtek-8822BU Antenna Type:2x 5dBi antenna 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 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: 1 Piece Wireless Network Card