This is because we add metal into the equation.
Router through concrete walls.
A mesh network replaces your router and can solve your wifi issues in a house with stone walls concrete walls or a difficult layout.
High performance wireless router for concrete walls.
The best high performance router that can travel through walls is the linksys ea9500 router.
Concrete will also let the wifi signal pass right through and with it the rf radiation.
But in case of brick or concrete 2 4ghz band is preferred because lower frequencies can penetrate much better through thick walls.
However if you are dealing with brick or concrete your primary concern is the ability for your wi fi signal to penetrate the materials in your walls.
There are 4 antennas in total and they can be pointed whatever direction you would like but they do stick up awkwardly making the design a bit of an eyesore.
The best wireless router for penetrating concrete walls is the netgear nighthawk r6900p.
It has a strong range and can easily get to where you need it to go through any wall.
This is a versatile router that provides all of the supports that you would really want to get from your home router.
But when we are talking about reinforced concrete the signal and the radiation will be weakened substantially.
This router is made to give you the best performance possible.
Design the design of the linksys ea9500 is bulky and awkward.