Features: brand new and high quality Dual band connections for lag-free high definition video streaming and gaming Pcie wireless adapter have passed technical test, 2.4G 300M + 5G AC 867M dual band, can reach 1200Mbps network transmission speed Integrates a wireless configuration program, support bluetooth-compatible 4.0, which is easy to install and use, and can easily and quickly set up wireless clients. Supports IEEE 802.11bIEEE 802.11gIEEE 802.11nIEEE 802.11a ,1200Mbps allowing you to quickly implement wireless encryption to ensure wireless network security. Perfect for upgrading your existing laptop and desktop to a Gigabit WiFi Network. Specifications: Model: FV-A436CS2 Type: Wi-Fi 802.11ac and Bluetooth-compatible 4.0 Speed up to 867Mbps on 5Ghz Chipest: BCM94360CS2 Support Bluetooth-compatible 4.0 Dual band 2.4Ghz/5Ghz Support for Windows 10/Hackintosh/MacOSX Compatible Model: For M-Book Air 11" A1465 13" A1466 WIFI 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. Package includes: 1 Piece PCIE Wireless Network Card