Note: All GPS tracking/Emergency alert electronic devices require a connection to the GPS satellite service and Cellular network service providers to work and operate properly, services may not always be available in all areas. Smart trac uses multiply service providers in different countries throughout the Globe to offer maximum coverage. We recommend that you check the coverage in your area by going to https://opensignal.com/ and checking the coverage in the area the device will be operating
Orlando Florida USA
How to install a sim card.