Dual-Band Wireless-AC600 Wi-Fi adapter The smallest 802.11ac USB Wi-Fi adapter in the market Selectable dual-band 5GHz/2.4GHz for up to 433 Mbps Instant upgrade to next-generation 5G Wi-Fi for your desktop and notebook   The easy way to add next-generation 802.11ac Wi-Fi to notebook and desktop PCs ASUS USB-AC51 is the smallest 802.11ac USB Wi-Fi adapter for you to instantly upgrade your desktop and notebook to the next generation 5G Wi-Fi with a hassle-free setup. Its specially-designed internal antenna provides wireless speed up to up to 150Mbps at 2.4 GHz and 433 Mbps at 5 GHz. It supports multiple OS including Windows, Mac OS X, and Linux. The transmission quality and excellent features make USB-AC51 a great choice for simultaneous downloads, online gaming, and video streaming.   Next-gen 802.11ac wireless, up to 3X faster than previous wireless N adapters The fastest Wi-Fi ever becomes more accessible via USB, going up to 433 Mbps on the clear 5 GHz band. Using 802.11ac wireless, faster connectivity and enjoyment come to all your devices. Compared with the current 802.11n, the USB-AC51 delivers up to 433 Mbps at 5 GHz, which is 3X faster than 802.11n.   * Quoted network speeds and bandwidth based on current IEEE 802.11ac specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac-compatible for best results.     Selectable dual-band 433 Mbps/150Mbps bandwidth Dual-band operation suits mainstream and power users. The 2.4 GHz band is perfect for web browsing, email, and social networking, while the 5 GHz frequency enables smooth HD streaming and online multiplayer for blazingly fast and lag-free home entertainment.     Smallest 802.11ac Wi-Fi adapter for easy connection and instant upgrade for PCs The world’s most compact wireless USB adapter measures just 3cm long. It’s easy to carry and fits in pockets, yet offers strong wireless. With its USB interface, the USB-AC51 gives your desktop and notebook an instant 802.11ac Wi-Fi upgrade, with access to speeds of up to 433 Mbps. Specification Interface: USB 2.0 Max Signal Rate: 433 Mbps Dual-Band: Yes Wireless Standards: \"IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IPv4, IPv6\" External Antenna: No Antenna Type: Internal 4.56 dBi antenna x 2 Frequency: 5GHz: 433 MHz 2.4GHz: 150 MHz LED: WAN x 1 Dimensions: 30.98 x 16 x 8.64 mm (WxDxH) Security: \"64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK, WPA-Enterprise , WPA2-Enterprise , Radius with 802.1x, WPS support\" Advanced Functions: See Overview Package Type: Retail Package Weight: 0.1100 kg Warranty: 3 Years