I took it as a signal amplifier, since the router is not in the most convenient place. Cuts speed in half. As for the expansion of the zone, I also argue. Perhaps in direct line of sight on the window and will cover the area, but I have it in a socket at the bottom of the wall of the room. So, from this side of the wall on Singhal Street, there is a little to the side of 5 meters, it is no longer there. Too bad, I was hoping for more. Next time I will carefully read the reviews and, if possible, those without 5 stars
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