The $79 Optus Cap Plan includes $900 of included value and 3GB of included data, making this plan ideal for heavy users, who make over 200 calls, send over 200 text messages and need up to 3GB of data each month. Optus covers 97% of the Australian population with 3G dualband handset, and offers unlimited mobile access to Facebook and other social networking sites. Customers may need to pay a mobile repayment on 24-month contracts where a handset is included with the plan.