Simply put is the end of the 3G cellular networks and all devices irrespective of function will no longer work if they use a 3G cellular module. For example, if your GPS tracking system is using a 3G or 2G GPS tracker, it will stop working, once the 3G Networks is turned off -Please note that 2G networks were turned off as early as 2019. By the end of 2022, many of the U.S.'s largest wireless carriers will shut down their 3G networks. This is known as the 3G sunset or retirem