Wireless AC technology means Archer T3U delivers connections that are up to 3x faster than with the previous Wireless N standard. High-speed Wi-Fi (up to 867Mbps over the 5GHz band and 400Mbps over the 2.4GHz band) means Archer T3U is able to support all your online activities, from HD video streaming to lag-free online gaming and web surfing. TP-Links Archer T3U has a smart design that is tinier than a usual USB adapter. ot only could it be inserted into any USB port, but is quite easy to carry.