What devices will be affected?

Wearable Devices
Personal Emergency Response Devices 
Wearable Locators for Children & Pets
Smart Watches
Ankle Monitors 
3G Cellular Phones & Tablets such as those Manufactured by:
Amazon
Apple
Samsung
TracPhone
Home & Automotive
Home Security & Monitoring Systems
GPS & In-Car Assistants
Remote Starters
Vehicle SOS Services  
Other
WiFi Devices Using Cellular Back-Up for Outages
Mobile Hotspots Routers