Guys, I have seen on the internet the device that is called "router table". Is this connected with some wireless network or it is the device from another sphere?

No, Bro, just google its pictures on the internet, and you will understand that it used in some other sphere. I know one nice site where you can find info about everything. It is not a wiki. If you want to buy it it will help you too. Just read this info about the best router table if you are interested in it.