I'm in Australia and looking for DCC equipment. Favourite is either 44902 System or 36505 wireless system. Australia prices are much higher than US but Australia uses 240 v AC, 50 Hz domestic electrical supply where as US (I believe) use 110v AC 60 Hz electrical supply . Is all Bachmann equipment sold in the US, 110 v 60Hz and that sold in Australia / UK etc 240v 50Hz? Or is it all basically the same and tolerates whatever supply it receives?