Tired of wi fi dead zone tp links range extender connects to your router wirelessly strengthening and expending its signal into areas it cant on its own the device also reduces signal interference to ensure reliable wi fi coverage throughout your home or office press the wps button on your router and the range extender button on your 850re within 2 minutes to easily connect to your network once connected with an existing router you can simply unplug and plug the tl wa850re back in a loca