TP-Link RE550 network extender Network transmitter & receiver White 10, 100, 1000 Mbit/sBoost Whole Home Wi Fi with Your Existing Router A single router has limited Wi Fi coverage and always causes Wi Fi dead zones. RE550 wirelessly connects to your existing router and expands its Wi Fi signal into areas it cant reach on its own. Enjoy your stable network experience wherever you are at home. Wi Fi keeps Strongest for Unlimited Moving With TP Link Mesh Technology, its easy to form a Mesh network with a single Wi Fi name for seamless whole