A:AnswerThis unit must be placed where the initial signal is strong enough for this unit to pick it up and rebroadcast. Suggestion: walk through the house plugging it into power to determine the best place for it.
A:AnswerI would say no as it is made for 110 use, but you might contact the manufacturer to see if a travel outlet adapter could be used, however I would recommend a transformer or reducing the current to 110 for the unit for permanent use.
A:AnswerThe range depends on the extender power and the structure surrounding the extender. If there are many walls, particularly concrete, the range will be much shorter than if there are less walls/ceilings/floors, etc. in between the extender and where you want to receive the signal.
A:AnswerWhile while this product would work it would not be a optimal solution . Research any of the mesh network WiFi systems . They would be a better and easier solution