The leading mobile telephone companies in Australia are Telstra, Optus and Vodafone. These providers cover most of the populated territory (25% of the landmass). Other providers resell services from the leading companies or cover only a small territory.
In certain areas of Australia there is not good mobile phone coverage. Mobile phone providers label their phones to make it easier for you to choose the best handset for your local conditions.
External antennas improve mobile services in the areas where there is not a good coverage. There are three kinds of antennas:
Not every handset can be connected to an antenna, ask your provider in Australia for advice on which handset (and antenna) is best for you.
Prepaid mobile phones are always the best choice for those who don't use their mobile phones a lot. Phone calls are usually more expensive than contract phone calls, and you will need to consume the balance in your your card before it expires. However, you are able to receive calls and dial emergency numbers even when you run out of credit.
Contract plans are the best choice for those who use their phones a lot. Plans are based on term contracts lasting from 12 to 24 months or longer. The prices may vary, depending on the type of mobile you choose and the conditions of your contract. If you quit your contract before it expires, you will be charged exit fees.
Before signing a contract research on:
Be aware that when you sign a contract with a smaller mobile phone in Australia, going outside of their coverage territory will count as roaming. You will be charged by another company for using their network.
There are remote areas in Australia where mobile phones work only via satellite (less populated, with little traffic, etc.). You will not need a satellite mobile telephone unless you live or work there. They work pretty much like mobile phones, and you can send and receive text messages from them.