Features: 1.11AC dual?band wireless WiFi network card with new technology, which can search for network signals in the 2.4G and 5.8G frequency bands at the same time, greatly increasing the transmission rate. 2.Flexible design which 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. 3.High?gain dual?frequency omnidirectional antenna provides better performance and stability, stronger signal penetration and wider wireless coverage. 4.High speed USB 3.0 port and transport upgrade, which is 10 times faster than USB 2.0. transfer large files in seconds. Built?in transmit and receive antenna provide rate guarantee. 5.Unique shape and mini U disk size, fashionable and portable design, easy to carry and use, which can be plugged into any USB port of the computer.Should choose a appropriate position to place. specification:Item Type: WiFi Adapter Material: ABS Interface Type: USB3.0 Chip Type: For Realtek 8812AU Antenna: 2 x 2dBi Antenna Network Model: Dual Band 2.4G+5.8G WiFi Standard: 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) 11A 6Mbps:-88dBm 11A 54Mbps:-71dBm 11AC HT20:-65dBm 11AC HT40: -60dBm RX Sensitivity: 11AC HT80:-56dBm 11B 11Mbps:-90dBm 11G 54Mbps: -73dBm 11N HT20:-71dBm 11N HT40:-68dBm Transmitting Power: