We currently have a Belkin modem/router N+ but we have problems with DNS error and communications to the router over several months, so we got a new router the Net-gear R6300 but didn't realise it doesn't have the modem inbuilt (I know stupid mistake). So we can either try and sell it or buy a modem and try to see if we can get the R6300 to work, but there is hardly any good modem choices here (AU). Any ideas?