The TP-Link Archer T2U Plus AC600 USB WiFi Adapter is compatible with both Mac and Windows and has a 2.4GHz and 5GHz high gain dual band 5dBi antenna. From the producer An incredibly adaptable addition to any desktop computer, laptop, or gadget that supports USB WiFi antennas. With the T2U Plus, you can increase your WiFi speed while also having more flexibility and a stronger signal. Quality Connections Without Lag The 5 GHz band's 433 Mbps speeds are perfect for