3G

• 

  Optus to re-farm some of its 2100MHz spectrum in 2022

  Spectrum reallocation will support 4G and 5G services.
• 

  Govt to auction more mobile broadband spectrum in 'late 2021'

  As the ACMA finally decides what to do with existing 3G band.
• 

  Telstra begins countdown to 3G switch-off

  Reveals timeline to switch off 3G and promises expansion of 4G coverage.
• 

  South East Water begins IoT trials

  Tests management of water infrastructure.