D-Link AC1300 DWA-181 IEEE 802.11ac Wave 2 with MU-MIMO technology. Speeds up to 400 mbps (2.4GHz) or 867 Mbos (5 GHz) Wi-Fi Adapter for Computer Notebook Gaming. AC1300 MU-MIMO WiFi Nano USB Adapter. Dual band technology for use with 2.4 or 5 GHz networks. Minimum requirements Windows 7/8/8.1/10, USB port, CD-ROM drive. New in open box.