weBoost Support - April 18, 2018 19:21 Do I need to unplug the signal booster before I make a change to the system? Print Yes. Unplug the signal booster from its power source any time you make a change to the system. For example, disconnecting the signal booster from power is crucial to preventing damage when disconnecting an antenna from the booster. Related articles How much separation distance is required between the tower antenna and the device antenna? Where should I place the device antenna for an indoor cell phone signal booster system? How much area in square feet does an indoor booster cover? I know a more powerful booster covers more area, but how much more? How long does it take to install a cell phone booster? Where can I see installation and product selection videos?