FEATURES Supports 802.11ac standard generation of Wi-Fi Backward compatible with 802.11 a/b/g products Ultra-fast AC1200 (866+300Mbps) wireless speed with 802.11ac External two 2dbi antenna Chipset: RTL8812 Ultra-fast 866Mbps+300Mbps wireless speed with 802.11ac Dual Band connections for lag-free HD video streaming and gaming External 2 antenna DESCRIPTION The AC1200 Dual Band Adapter provides robust wireless AC technology for your desktop or notebook computer. Just plug the adapter into an available USB port and connect to a wireless network to enjoy a secure, high-speed internet connection - 2.4GHz (300Mbps) or 5GHz (up to 866Mbps). With integrated Dual Band technology, experience minimized Wi-Fi interference, enhancing your streaming, gaming, and video calls. Maximum 5GHz 866Mbps or 2.4GHz 300Mbps Dual Band connections for lag-free HD video streaming and gaming Simple wireless security encryption Compatible with Windows 8.1/8/7/XP 32/64bit, Linux / OS SYSTEM REQUIREMENT one USB3.0 port. Windows XP / Vista / 7 / 8 / 8.1 (32/64bits) / LINUX / color: Black material: plastic Package Contents: 1 x Network Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.