TP-Link TL-WN722N 150Mbps 802.11n Wireless LAN USB 2.0 Adapter w/Quick Secure Setup Button & 4dBi Antenna TP-Link TL-WN722N 150 Mbps 802.11n Wireless LAN USB 2.0 Adapter General Features: Standards: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency Range: 2.4 ~ 2.4835 Hz Wireless Data Rates: up to 150 Mbps USB 2.0 interface Data Transfer Rate: up to 480 Mbps High gain detachable 4 dBi antenna CCA (Clear Channel Assessment) QSS (Quick Secure Setup) button