Ethernet extension without cable

[del92]

I have fibre optic router in hall and i want to connect my sat box to it vie the ethernet cable but dont want to run a ethernet cable round the house is there any options please

 

[kanewolf]

Powerline network adapters may be an option -- http://www.tomshardware.com/reviews/network-switch-guide,4047.html

The BEST answer is always an ethernet cable.