This dual-band adapter provides powerful wireless technology for your desktop or laptop computer. Simply plug the adapter into an available USB port and connect to your wireless network to access a secure, high-speed Internet connection - 2.4GHz (300Mbps) or 5GHz (up to 866Mbps). and with integrated dual-band technology. Features: - Supports the 802.11ac standard - the next generation of Wi-Fi - Backward compatible with 802.11 a or b or g or n products - Ultra-fast AC1200 (866and300Mbps) wireless speeds with 802.11ac - Maximum speeds up to 5GHz 866Mbps or 2.4GHz 300Mbps - Dual-band connectivity for lag-free HD video streaming and gaming - Supports Windows 10 or 8 or 7 or XP 32 or 64bit, MAC OS, Linux Specifications: Model: WD-4608AC Chip: 8812BU Chipset: Realtek 8812BU Support OS: 2 or 64bit Win xp,vista,win7,win8,win8.1,win10 Linux MacOS10.9-mac10.13. Wireless standards: IEEE 802.11ac , IEEE 802.11a , IEEE 802.11b or g or n Host Interface: USB 3.0 Frequency range: 2.4GHz-2.4835 GHz 5.12GHz-5.825GHz Wireless speed: 802.11ac: up to 866Mbps 802.11n: up to 300Mbps 802.11g: 6 or 9 or 12 or 18 or 24 or 36 or 48 or 54Mbps 802.11b: 1 or 2 or 5.5 or 11Mbps Modulation Type: OFDM or CCK or 16-QAM or 64-QAM Operating Power: 20dBm (MAX EIRP) Sensitivity : 11n: -68dBm 300M -68dBm 108M 11g: -69dBm 54M 11b: -85dBm 11M 11ac: -59dBm 866M Antenna type: 2 x 2dBi internal antenna (2T2R) Package includes: 1x Wireless USB adapter