The TP-Link Archer T3U is a compact dual-band Wi-Fi USB adapter that adds wireless connectivity to a computer through its USB port. It supports 802.11ac and MU-MIMO.
It operates on 2.4 GHz and 5 GHz, with stated rates of up to 400 Mbps and 867 Mbps respectively. The USB 3.0 interface is compatible with USB 2.0, while the internal antenna fits in a body measuring 40.5 × 19.72 × 10.29 mm.
With a MU-MIMO router, the adapter can use two simultaneous data streams. The manufacturer lists Windows 10/8.1/8/7/XP and Mac OS X as supported systems, and describes the adapter for HD video streaming, online gaming and large file downloads.