From the manufacturer
High-Speed Dual Band Adapter for Better Connections
The Archer T3U uses AC technology to deliver connections that are up to 3x faster than the previous wireless N standard. The Archer T3U provides up to 400 Mbps on the 2.4 Mbps band and a rapid 867 Mbps on the 5GHz band for lag-free streaming, gaming, web surfing and more*.
Boosted Throughput with MU-MIMO
With MU-MIMO technology, the Archer T3U can provide two simultaneous data streams, improving the throughput and efficiency of the entire network and enabling you to take full advantage of MU-MIMO routers**.
The miniature Archer T3U is more portable than traditional USB adapters, making it ideal for taking it with you as you travel.
USB 3.0 for Superior Transfer Speeds
Experience blazing-fast data transfers with USB 3.0 and get data up to 10x faster than USB 2.0. Combined with 802.11ac WiFi speeds, the Archer T3U ideal for HD streaming, online gaming and large file downloads.