Buyer Beware! Do not buy a G3 SIM card if you are traveling outside of the US. While in Australia my SIM card stopped working after a few days and I was unable to make calls or contact G3 to fix the failure. Their customer service was also disappointing as they were not even willing to refund my money for the SIM card, which is way over priced to begin with. I should have listened to other customers and bought a local SIM card in Australia. read full review »