Will I need a cellphone plan to use Guardian Alert 911 Plus? Garrison Grimes January 23, 2026 22:33 Updated No, once you charge your device it is ready to go. Related articles Does the Guardian Alert 911 Plus need to connect to a landline? How does Guardian Alert 911 Plus work? Can I receive calls on the Guardian Alert 911 Plus Why are there no monthly fees? Are there monthly fees or subscriptions required to use Guardian Alert 911 Plus? Comments 0 comments Article is closed for comments.
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