Tenda U12 AC1300 Wireless Dual-Band USB Adapter U12 fully leverages the bandwidth of a gigabit router to reach a wireless download speed of as high as 580Mbps! More specifically, it takes merely 28 seconds to download a 2 GB movie, offering a thrilling cyber experience. AC1300 Wireless Network Adapter Perfect for Gigabit WiFi Router Gear Up with Gigabit Router for Unparalleled 5 GHz Network Performance A New Generation of 11AC Wireless Technology That Offers 3X Transmission Speed It employs the 256-QAM technology to break the transmission speed limit of the 802.11n protocol and achieve a throughput of up to 400 Mbps over the 2.4 GHz network. It also offers a throughput of up to 867 Mbps over the 5 GHz network. You can choose an operating frequency band rarely used in the ambient environment, so as to effectively avoid radio interference and network congestion for more stable wireless signals and better transmission performance. Six Technological Innovations to Support 4K UHD Experience Four electrically separated PCB layers for better anti-interference capabilities of components. High-precision linear power supply to further stabilize operations. Walsin RFD duplexer to improve signal utilization. TDK common mode filter to suppress signal interference from the USB port. Stable USB 3.0 transmission, 10 times faster than USB 2.0 transmission. High-gain extension cable (copper core shielded with multiple layers of aluminum foil) to allow you to flexibly adjust the location of the wireless network adapter for optimum performance. Compatibility beyond Windows 10 Compatible with: Windows XP / 7 / 8 / 8.1 / 10 MAC OSs 10.6 - 10.12 Linux OSs, to address the requirements of various users for wireless internet connections Interface: USB3.0 Button: WPS button LED: 1 x System LED Dimension ( W x D x H ): 93.8 x 30.2 x 13.4 mm Antenna: PIFA Antenna Wireless Standards: IEEE 802.11ac, IEEE 802.11a,IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency: 5GHz/2.4GHz Signal Rate: 11n: Up to 400Mbps (dynamic) /11ac: Up to 867Mbps (dynamic) Transmit Power: