Optus has announced the upgrade of its mobile network to the LTE-Advanced Pro standard in the area around its headquarters in Macquarie Park Optus has announced the upgrade of its mobile network to the LTE-Advanced Pro standard in the area around its headquarters in Macquarie Park, Sydney, saying the technology will be rolled out to provide 70 per cent coverage in Sydney, Melbourne, Brisbane, Perth and Adelaide over the next 12 months. At today’s launch Optus demonstrated downstream bandwidth in excess of 1 gigabit per second.