The Edimax EW-7811ULC is a dual-band 802.11ac USB adapter with a USB 2.0 connectivity that enables you to instantly upgrade your network connectivity with high-speed rates of up to 433Mbps (5GHz) and 200Mbps* (2.4GHz),allowing greater Wi-Fi efficiency. The selectable dual-band lets you switch anytime for a faster and more stable Wi-Fi connectivity experience.The nanoAC600 Wi-Fi 5 dongle is designed with security, quality and wide compatibility. Works with Windows and Linux OS, further inter-operates with your existing Wi-Fi routers, access points and extenders without replacements or additional purchases.Tiny yet powerful with stealthy design, the EW-7811ULC certainly is an easy-to-use gadget that replaces your bulky LAN cables and instantly upgrade your computer with wireless capability.Instant Upgrade to AC600 Wi-Fi 5Just plug into your laptop and desktop USB interface and follow a 3-step installation guide, you can then immediately connect to the Internet without cumbersome cable deployments and future wire cable maintenance. The EW-7811ULC wireless connection supports up to 433Mbps in 5.0GHz band and up to 200Mbps* in the 2.4GHz band.(*The 256QAM technology increases the 2.4GHz data rate from 150Mbps (64QAM) to 200Mbps (256QAM) for 33% faster performance.)Secure and Flexible Dual-BandOffering high level Wi-Fi security with WPA3-SAE (Personal), WPA2, WPA, WEP and 802.1x, the EW-7811ULC supports 2.4GHz and 5GHz selectable Wi-Fi. The 2.4GHz frequency band are always full of crowded applications and services with un-pleasant experiences. Leave the crowded 2.4GHz and you have an alternative 5GHz frequency band for more bandwidth and less congested wireless network.Wide Compatibility forAny Wi-FiCompliant with 802.11a/b/g/n/ac standards, the EW-7811ULC supports any existing routers, access points and range extenders. Supports Windows and Linux OS, it is the best choice for your laptop or PC. You can connect to a network in locations where Wi-Fi is available.Tiny and Stealthy DesignThe nano size adapter is designed lightweight and sleek which prevents you from snapping it by accident. You can attach it to your desktop and laptop with ease. The purpose of the small-form design is for stealth and ease of carrySo small like it isn't there at all.It is convenient to carry with you for work and travel usage.