You might have seen advertisements from cell phone providers to switch and upgrade your network to 5G. It is an upgrade that will bring better service and faster download speeds on mobile. However, the carriers plan to shut down 3G networks to make room for the upgrade this year.

Millions of devices, such as smoke alarms and personal emergency response systems, continue to depend on 3G, leaving countless older adults potentially without service. Today Bill Signer, a lobbyist for the Alarm Industry Communications Committee, explains how this change will negatively impact millions. We'll also hear from AARP's Danielle Arigoni on what you can do to prepare.

For more information:

• www.aarp.org/3g