TP-LINK Archer T4U Plus / USB3.0 AC Dual Band LAN Adapter / Black

Quick overview from the supplier:

TP-LINK Archer T4U Plus AC1300 Wireless Dual Band USB Adapter, 867Mbps on 5GHz + 400Mbps on 2.4GHz, 802.11a/b/g/n/ac, High Gain, USB3.0, MU-MIMO, 2 external antennas