To Setup Rockspace AC1200 Wi-Fi Range Extender eliminates dead spots in your home by increasing the router’s Wi-Fi signal and extending coverage up to 7,500 Sq. Ft. The Rockpsace AC1200 features Cross-Band Technology, which receives information on one band and transmits on another, resulting in a stronger, more consistent signal throughout your home. Range extender easily connects to your current network. Using any mobile device, Spot Finder Technology shows you where to place range extender for optimal performance. It comes with Wi-Fi Audio through which you can connect a stereo system or speakers to range extender and instantly stream music from your smart device or computer. It can work with any router means no need to modify router settings. The Simultaneous Dual Bands (2.4 and 5 GHz bands) reduces traffic and maximize the internet speed and offer up to 300Mbps data transfer on each band.