A router that can give me more signal strenght for my laptop?

IS THERE A WAY THAT I CAN USE A DEVICE TO GIVE ME MORE SIGNALS STREMGHT FOR MY LAPTOP.AM IN THIS HOUSE AND THE STRENGHT IS VERL LOW FOR MY COMPUTER.BUT I CAN GO ONNLINE .BUT AFTER SOME WHILE IT WILL DISCONNECT ME.SO WHO KOW ABOUT A DEVICE THAT WILL MAKE THE SIGNAL STRENGHT GET HIGHER