Tenda U9 9 is an 11ac dual band Wi-Fi Adapter. 5GHz wireless speed of U9 can be up to 433Mbps and 2.4 GHz can be up to 200Mbps. The advanced technology MU-MIMO has been used on U9 which can improve data transfer efficient and provide a smoother streaming. With internal drive, can automatically complete installation once plugged into your computer.With a compact and mini designed, U9 has no effect on usage of neighboring ports. U9 also Compatible with Windows (XP/7/8/8.1/10), can satisfy with various user requirements. Fast AC Wi-Fi for HD Streaming U9 come with the next generation Wi-Fi standard -Fast WiFi technology - 802.11ac, the transfer rate is 3 times faster than wireless N. Selectable dual 5 GHz (433 Mbps) and 2.4 GHz (200 Mbps) bands making it ideal for HD video streaming Auto-Install, Configuration-free With internal drive, U9 can automatically complete installation once plugged into your computer, releasing you from troublesome configuration, and installation using CD or drive. With MU-MIMO Technology U9 come with 11ac MU-MIMO (Multiple User - Multiple Input Multiple Output) technology, use with the AP which supports MU-MIMO, communicate with multiple devices simultaneously on U9 is available, so the transmission performance has been significantly improved. Interface USB2.0 Dimension 36.8mm*18.5mm*7.6mm(L x W x H) Antenna Internal PIFA Antenna Wireless Standards IEEE802.11b,IEEE 802.11g, IEEE 802.11n, IEEE 802.11a,IEEE 802.11ac Frequency 5 GHz 2.4 GHz Signal Rate 11ac: Up to 433Mbps 11b: Up to 200Mbps Transmit Power <20dBm (EIRP) Wireless Rate Station Mode Wireless Security 64/128-bit WEP,WPA-PSK / WPA2-PSK,WPA / WPA2 Certification CE, FCC,RoHS Package Content 1*Wireless Adapter U9 System Requirement windows10,Windows 8.1,Windows 8,Windows 7,Windows XP