Mobile Phone Network operators in Australia
An overview of mobile telecommunication providers in Australia. 

Telstra:
GSM
CDMA
CDMA 1x - EvDO
Satellite
3G - 3GSM standard on the 2100MHz frequency band
NextG - 3G HSDPA 850MHz

Next G is Telstra’s latest mobile network offering faster data speeds and eventually to become the succsessor to all existing networks apart from satellite.

Optus:
GSM
3G
Satellite

Virgin Mobile, Bdigital, Soul and Boost Mobile utilise the Optus mobile network.

Vodafone:
GSM
3G

AAPT and Think Mobile utilise the Vodafone mobile network.

3 (Three):
3G

Globalstar:
Satellite

Optus and Vodafone have infastructure sharing agreements with 3G network infastructure , Telstra and 3 share network infastructure on their 3g(2100MHz) networks with Telstra providing GSM roaming to 3. Vodafone, Optus and 3 are expected to release HSDPA services in coming months.

Tags: mobile phones, networks, mobile australia, mobile phones australia