Trax Play network coverage in the US Trax Play connects to T-Mobile's 2G network in the United States. Please click on this link to check T-Mobile's network in your area. Trax Play will work wherever T-Mobile's coverage is good. Related articles Travelling with Trax Play Where does Trax Play work? Does Trax Play have a microphone? What does LIVE tracking mean? What battery life can I expect with Trax Play?