Traveling to Australia with an Australia SIM card is the most economical and convenient options of international mobile telephony services. You can easily use this country specific SIM card meant for use in Australia with any unlocked GSM handset or you can also use an Australia cell phone rental for the specific period. There are numerous benefits of using these services in an unknown country like Australia, especially if you are traveling for a limited period of time like a holiday or a business trip. I can easily vouch for the advantages of using these services.