SB 3.1 Gen 1 MU-MIMO WiFi adapter ? 10x faster USB interface for smooth Wi-Fi and when multiple MU-MIMO compatible devices are connected. 256QAM technology ? Increases 2.4GHz data rate from 300 Mbps to 400 Mbps. Perfect for streaming and gaming ? Dual band antenna design enables your PC/laptop to connect with 5GHz band for smooth 4K UHD streaming and low latency gaming.