Description: 100% brand new and high quality. Dual Band connections, Maximum speed up to 600Mbps: 5GHz 433Mbps, 150Mbps. 802.11 ac standard, backward compatible with 802.11 a/b/n/g products. High speed USB 2.0 port. Easy Setup:Install the driver from the included CD. After the driver is installed, you can use the built-in wireless utility in your operating system to connect to a wireless network. Fully compatible with the mainstream operation systems: Windows 2000/XP/Vista/7/8/8.1/10, Mac OS 10.4~10.11, Linux. Compliant With IEEE802.11a/b/g/n/ac standard. 802.11a: 6, 9, 12, 184, 36, 48, 54Mbps; 802.11b: 1, 2, 5.5, 11Mbps; 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps; 802.11n: (20Mhz) MCS0-7, up to 72Mbps at most. Specification: Material:Plastic Size Chart: Size:Approx.4.5x2x1cm/1.8x0.8x0.4inch Package Includes: 1 Piece Dual Band USB Wireless LAN Adapter 1 Piece Antenna 1 Piece CD Diver : This product support 5GHz Wi-Fi Band,some can not use cause the connected device that not support send 5GHz Wi-Fi Band, please make sure your device support send 5GHz Wi-Fi Band before purchase,thanks.