The Telstra Every Day Connect 80 plan costs $80 per month and provides you with $800 of standard credit, 1.5GB of data and unlimited SMS, making it suitable for heavy users, who make over 200 calls, send over 200 text messages and need 1GB or more of data to surf the web each month. Telstra's NextG network is Australia's largest and fastest mobile network, covering 99% of the population.