I found another link that implies that in 2015 Telstra will change the LTE from 1800MHz to 700MHz [1][2]
Which means it will be after 2015 to be able to have both 3g and LTE according to the PLS8-US specs in Australia

[1] http://telcoantennas.com.au/site/gui...obile-networks

[2] http://www.computerworld.com.au/arti...idend_auction/