There are a vast range of frequencies for different networks in Australia. 2G GSM is currently being shut down, We recommend not to buy a GSM tracker as most major Telcos have closed their GSM networks in Australia and it will not work
3G utilises new technology called UMTS as its core network architecture. It is important that if you are going to buy the device only (No subscription) that you research the frequency the device transmits on and if it is compatible with your desired teleco. At Tracking Mate we will guarantee the tracker supplied works on the required frequency