'Powerline' or 'Homeplug' mains network adaptors may be the solution to your issue. They utilise existing cable in your mains circuitry, and as such make it a very useful alternative if you need to reach distances.
well it will be in my grandma's house and im right across the road about 200-250 ft away, no trees in the way of the window and the window is facing towards my home
i would like to have the best signal i can get if its possible ??? and would like to no what brand and what do i need if possible