Wireless Dual Band 2.4G/5G USB Adapter, TP-Link Archer T2U Nano AC600, Compact size: Fast WiFi – It can upgrade your devices to higher AC WiFi speeds of up to 600 Mbps, with 200 Mbps on 2.4GHz and 433 Mbps on 5GHz. Dual Band Wireless: Upgrade your devices to work with the newest dual-band WiFi router for faster speed and longer range by using the 2.4GHz and 5GHz bands for flexible connectivity.