TP-Link Archer T9UH AC1900 Archer T9UH AC1900 Dual Band High Gain Wireless USB Adapter Archer T9UH AC1900 Dual Band High Gain Wireless USB Adapter | Ultimate Wi-Fi Speed? AC1900 (600Mpbs on 2.4GHz band or 1300Mbps on 5GHz band) wireless speed with the next generation Wi-Fi – 802.11ac | Dual Band Wireless? 2.4GHz and 5GHz band for flexible connectivity | Ultimate Range ? High gain antennas ensure superior range and stability | Beamforming Technology ? Delivers a more targeted and highly efficient wireless connections | Super Speed USB 3.0 Port – Up to 10x faster than USB 2.0 | WPS Button – Easy wireless security encryption at a push of the WPS button | Backward Compatibility ? With support for 802.11 a/b/g/n standards