Your Choice of Speed and Single Band 2.4ghz or Dual Band 2.4/5Ghz Wireless USB WiFi Network Adapter w/Antenna 802.11ac,802.11a,802.11n,802.11g, 802.11b Product Description: Our Dual Band USB Wireless LAN Adapter with High Gain Long-Range 5dBi Antenna brings you a tiny way to get speedy next generation Wi-Fi connections, by connecting it to the USB 2.0 interface of your PC, laptop or Mac, you can establish 433Mbps connection at 5GHz radio or 150Mbps connection at 2.4GHz radio with your WiFi router. You can shift between 2.4GHz and 5GHz WiFi bands to avoid interference and have optimal WiFi Internet connection for your PC,laptop or Mac. PLEASE SELECT YOUR DESIRE WI-Fi ADAPTER 150mbps Mini WiFi Adapter Only or 300Mbps Mini WiFi Adapter with CD or 300Mbps WiFi Adapter with Antenna and CD or AC600 Mbps WiFi Adapter with Antenna or AC1200 Mbps WiFi Adapter with Single Antenna or AC1200 Mbps WiFi with Dual Antenna Product Features: 100% brand new and high quality.Dual Band connections, Maximum speed up to 1200Mbps: 5GHz 433Mbps, 2.4GHz 150Mbps.Supports 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.Note: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. Compatibility: Fully compatible with the mainstream operation systems: Windows 2000/XP/Vista/7/8/8.1/10, iOS 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.