Cellular Backup $20.00 per month (month to month with no contract) The cell phone has a one time charge of $200.00 Terms and Conditions Select One ** Can be used on any alarm system no matter who does the monitoringCellular Backup AVSS MonitoredCellular Backup- Other Company MonitorsAccount #Effective DateName *FirstLastAddress *City *State *Zip Code *Email *Telephone *Alarm Brand & Model *WebsiteI agree to the terms and conditions of cellular backup Terms and Conditions