**As of November 2024 3G LTE has been phased out of Australia**
3G/UMTS
The main 3G Frequencies in Australia are 850, 900 and 2100MHz which are operated by Optus, Telstra and Vodafone with UMTS/HSPDA and WCDMA.
The frequencies, bands and Mobile Network Operators are as follows.
3G bands
| Frequency | Band | Mobile Network Operator |
| 850MHz | B5 | Telstra |
| 900MHz | B8 | Optus, Vodafone |
| 2100MHz | b1 | Optus |
Former 3G bands
| Frequency | Band | Mobile Network Operator |
| 850MHz | B5 | Vodafone |
| 2100MHz | B1 | Telstra |
Mandatory 3G handset band support
| Frequency | Band | Mobile Network Operator |
| 850MHz | B5 | Telstra |
| 900MHz | B8 | Optus |
| 900MHz | B8 | Vodafone |
4G Frequencies Australia
See the 4G Frequencies in Australia.