Anyone who has used a GPS tracker in a car knows that in order to use the device normally, a SIM card must be configured in the device and the card must be activated and in normal use.

Cards used in the GPS tracking and in the mobile phone are different. At the moment, the built-in GPS locator functions primarily as an IoT card. This IoT card determines whether the GPS device can transmit data information to the service platform in a timely manner.