AmpliFi High Density Home Wi-Fi System with Router and (2) Mesh Points The AmpliFi™ HD (High Density) System includes a router base station and two wireless super extenders for maximum Wi-Fi coverage throughout your home. The HD Kit provides maximum wireless performance in an innovative and elegant design. The router includes a smart LCD screen and the extenders display wireless signal performance. A mobile app is available for iOS and Android™ platforms for instant setup and easy management.