A wireless device that is compatible with Wireless Public Alerting is (1) an LTE or 5G-device, and (2) has special software embedded in it which allows for messages sent by your wireless service provider, via Cell Broadcast, to be received in the standard Alert Ready format.
Emergency alerts that meet the Alert Ready format allow you to know when an alert is received (because of the sound and vibration), and also provides confirmation that it is issued by a legitimate source.
Visit the Wireless section of AlertReady.ca to find a link to the section of your wireless service provider’s website that provides information on compatible devices.