I had a shield tablet shipped in from the US and also have NBN (100Mbps DL / 40Mbps UL). I play with gamestream as I can push the detail to "Max 25Mbps" and have it set to
[email protected] via my 5Ghz Wifi on ASUS RT-AC68U Router. No problems (Apart from the creeping in input lag)
Moonlight hates...