U9 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. Miniature Design With compact and sleek design, it's smaller than most 11ac Wi-Fi USB adapters available and easy to carry. Users can connect the mini adapter to any USB port and has no effect on usage of neighboring ports. Compatible with various operating systems U9 is compatible with Windows XP, Windows 7, Windows 8, Windows 8.1 and Windows 10 etc., satisfying wireless internet connection demands of desktop computers, notebooks and other devices. Specifications Interface USB2.0 Dimensions 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 Wireless Rate Station Mode Wireless Security 64/128-bit WEP,WPA-PSK / WPA2-PSK,WPA / WPA2