The PROLiNK® DH-5102U AC650 Wireless USB Adapter Adapters. It is supports dual-band wireless (2.4 GHz and 5 GHz band) that provide flexible connectivity which compliant with the 802.11b/g/n/ac standard. The Wi-Fi speed of 433Mbps on 5GHz is ideal for HD video streaming and online gaming, while 200Mbps on 2.4GHz is perfect for daily use such as web surfing.