The shutdown could require updates to existing technology and leave some older devices without cell service.
Several providers, like AT&T and Sprint, have already shut down their 3G networks. Most others plan to follow suit by the end of 2022. The effort will free up some of the finite amounts of spectrum and infrastructure for newer, higher-speed networks.
The Cellular Telecommunications and Internet Association estimates less than 1% of mobile data still relies on 3G networks. Some older model cell phones may need to be replaced, but most smartphones require regular updates to stay compatible with apps and services. His security company has been busy calling customers to replace small 3G circuit cards in home security systems. The process takes 30 minutes and can be the difference in a functional system.Additionally, a Federal Communications Commission advisory said certain medical devices, tablets, smartwatches, vehicle SOS services, and other connected products may be using 3G services. Other devices could also use cellular connectivity as a backup when a wired internet connection goes down.
Local governments are also keeping an eye on the 3G shutdown. Fire and police alarm systems and ankle monitors used by law enforcement could all be impacted. News 5 reached out to Cuyahoga County to see if it expects any issues. A spokesperson said the Sheriff's Department is aware of the 3G shutdown and has been working to make sure monitors used to track suspects on house arrest are current. They say their vendor is aware of the change and expects no trouble.
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