Which cable to buy?

Hi all,

This probably is a stupid question, but I was installing my TV and thought it'd come with a cable out of the box but it didn't. Checking interdiscount site there are many cables and I am little bit confused.

My wall have 3-holes socket that I use one for cable internet from (QuickLine/WWZ). can you recommend the cable type I need to get the digital TV signal?

My TV already has DVB-C receiver built in.

Thanks.