The Telstra Mobile network offers the best breadth and depth of third generation mobile coverage in Australia covering more than 2.1 million square kilometers. The network provides mobile broadband access to 99% of Australians, spanning city to country and servicing  many remote coastal and rural communities.

Like any other mobile network, mobile coverage depends in part on where you are and what particular device you are using. To get the best out of mobile coverage in regional areas, it is recommended that you adopt an external antenna to increase the signal strength and coverage.

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Telstra Operating Frequencies:

• 2G – 900Mhz (This frequency is being re-farmed for LTE and will no longer be available to 2G devices from December 1^st 2016)
  
• 3G – 850Mhz/2100Mhz (For the best coverage 850Mhz is a must have)
  
• 4G/LTE – Telstra currently operates 5 frequencies for LTE these are listed below. The critical frequencies for all M2M/IoT applications are B3 & B28
  • B1 – 2100Mhz
    
  • B3 – 1800Mhz (Must have for M2M/IoT)
    
  • B7 – 2600Mhz
    
  • B8 – 900Mhz
    
  • B28 – 700Mhz (Must have for M2M/IoT)