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Australian Mobile Telephone Networks

Network Type Standard Carriers
GSM-900*
GSM-1800*
2G Optus All the standards belonging to this generation are commercial centric and digital in form.
Telstra
Virgin
Vodafone
CDMA-800 3G
Telstra The systems in this standard are basically a linear enhancement of 2G systems. They are based on two parallel backbone infrastructures, one consisting of circuit switched nodes, and one of packet oriented nodes.
UMTS 3G 3
Optus
Telstra
Virgin
Vodafone
HSDPA 3G 3
Telstra
Vodafone

* All GSM-900 carriers have  acquired spectrum in the 1800MHz  band and selectively blend GSM-      1800 in high traffic cells to supplement their existing GSM-900 coverage.

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