Features: 1.Adopts flexible design and supports 90?degree and 360?degree free rotation. Users can adjust according to habits and signal strength to improve signal sensitivity and enjoy high?speed network speeds at any time. 2.Uses the new 11AC dual?band wireless WiFi standard technology combined network card, WiFi can search for 2.4G and 5.8G frequency band network signals at the same time. 3.High?gain dual?frequency omnidirectional antenna provides better performance and stability, strong signal penetration, and wider wireless coverage. 4.Has a super?speed USB 3.0 port, which is 10 times faster than USB 2.0 and can transfer large files in a few seconds. 5.Can plug into any USB port of the computer and place this USB wireless network adapter in a position with the best wifi signal. specification:Item Type: Wireless Adapter Material: ABS Interface Type: USB3.0 Chip Model: RTL8812AU Antenna: 2 x 2dBi Antenna Network Mode: Dual Band 2.4G/5.8G WiFi Standards: IEEE 802.11ac, IEEE 802.11a, IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency Band: 2.412~2484GHz/5.15~5.825GHz 11ac: Up to 867Mbps(dynamic) 11a: Up to 54Mbps(dynamic) Signal Rate: 11n: Up to 300Mbps(dynamic) 11g: Up to 54Mbps(dynamic) 11b: Up to 11Mbps(dynamic) Wireless Security: Support 64/128 bit WEP, WPA-PSK/WPA2-PSK, 802.1x, DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM System Requirements: For Windows Vista / 7/ 8 / 8.1 / 10 / OS X Working Environment: 0~40 10%~90%RH (Non-Condensing) PackageList:1 x Wireless Adapter 1 x Antenna 1 x CD 1 xUser Manual