IEEE 802. 11ac, 802. 11n, 802. 11g, 802. 11b, and 802. 11a compliant Dual Band N technology for use in 2. 4GHz or 5GHz networks Wireless AC Wave 2 technology for superior wireless performance Access secure networks using WPA or WPA2 Small USB design The AC1300 MU-MIMO Wi-Fi Nano USB Adapter (DWA-181) delivers powerful wireless AC technology to your desktop or notebook computer. Simply plug the adapter into an available USB port and connect to a wireless network to access a secure, high-speed internet connection - 2. 4GHz (400Mbps) or 5GHz (up to 867Mbps). And with integrated Dual Band technology, you\'ll have reduced Wi-Fi interference to maximize throughput for faster streaming, gaming, and Skype calls. Interference-free bandwidth The AC1300 MU-MIMO Wi-Fi Nano USB Adapter (DWA-181) delivers Dual Band technology to your home network for intelligent, versatile, interference-free bandwidth. Check your email and surf the Internet on the 2. 4GHz band; or game, make Skype calls and stream HD movies to multiple devices using the cleaner, interference-free 5GHz band. Whatever you like to do online, Dual Band has you covered. Compatible with all your wireless products While the AC1300 MU-MIMO Wi-Fi Nano USB Adapter delivers advanced 802. 11ac speed to your home network, it\'s also backward compatible with all of your current wireless products - no updates or adapters necessary.