Only works with AT&T modems/routers. Not compatible with third party routers. You need an AT&T router for this device to work. 802.11ac/802.11n WI-FI Extender | Improved coverage and performance (1600Mbps) | Quick setup using mobile application | Add more mesh nodes to increase coverage at the press of a button | Intelligent client and band steering features ensure seamless handover while moving around inside your home