Features: brand new and high quality This is an 802.11AC 1200Mbps 2.4GHz & 5.8GHz wireless network card. Using Realtek RTL8812BU high-performance chip, and using USB3.0 interface, WiFi transmission is more efficient and energy-saving. The 11AC dual-band wireless USB network card is suitable for wireless connection of desktop PCs and other devices, and can provide a convenient and fast wireless Internet access method. The network card supports automatic detection and can automatically adjust the speed. Compliant with IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.11e, IEEE 802.11 i, IEEE 802.11ac; Wireless transmission rate: 2.4G frequency band can be up to 300Mbps; 5G frequency band can be up to 867Mbps. Support Wpa, WPA2 advanced security mechanism, support TKIP, for AES, WEP encryption, can provide security for wireless network connection. Specifications: Model: 4608AC Chipset: Realtek 8812BU Network speed support (WiFi Speed ): 2.4GHz--300Mpbs、 5.8GHz--867Mpbs Network Mode (Frequency): Dual Band 2.4G + 5.8G Applicable system (OS): for Windows Vista/XP/2000/7/8/10, Linux, MacOS Package Includes: 1 PC x USB 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.