@dusx
Well I think you are rigtht! The best solution will probably be to build one and learn on the way how all this works... I think I had a small hope that this time would be a plug and play experience, but it is not really :D So I will try and look into what I need and where to get it... Also, I saw that this is not the only device like that, but they are fairly expensive all of them...

Thanks though for the advice - I will see where to find things and probably get back...

All the best
Eva